Category
Network devices
11,176 known vulnerabilities.
11,176 results · Feed
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Medium 5.9
Junos OS: SRX Series: A high volume of DNS traffic over TCP can lead to a flowd crash
A Use After Free vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS). When web filtering for TCP traffic is configured, a high volu…
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High 7.8
Junos OS: MX Series: Missing Authorization for specific 'request' CLI commands allows command injection
An OS command injection vulnerability in the CLI of Juniper Networks Junos OS allows a local, low privileged attacker to take complete control of the device. A specific 'request csds' command doesn't sanitize user provided input so that it can be interpreted …
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Medium 5.3
Junos OS: MX Series: Malformed SyncE or PTP clock input causes continuous RE switchover
An Improper Resource Locking vulnerability in the clock synchronization daemon (clksyncd) of Juniper Networks Junos OS on MX Series allows a unauthenticated, logically adjacent attacker to cause a Denial-of-Service (DoS). If a SyncE or PTP upstream node sends…
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High 7.5
Junos OS: SRX4000 Series, SRX5000 Series and MX Series with SPC3: With application services configured, high session churn causes memory leak which will ultimately impact traffic
A Missing Release of Memory after Effective Lifetime vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a complete Denial-of-Service (DoS). On SRX4000 Serie…
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Medium 5.9
Junos OS: SRX Series: If TLS session resumption is configured and a specific TLS message is received a PFE crash occurs
An Improper Handling of Missing Special Element vulnerability in the SSL plugin of Juniper Networks Junos OS on SRX Series allows a network-based, unauthenticated attacker to cause a Denial-of-Service (DoS). This issue is will occur when 'ssl-proxy' is config…
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Medium 5.9
Junos OS: SRX Series: With WebFiltering enabled prolonged HTTP session load can cause a crash
An Improper Resource Locking vulnerability in the UTM processing of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS). When UTM WebFiltering is configured and the WebFiltering cloud se…
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High 8.1
Junos OS: SRX Series: In an ADVPN scenario a malformed message from a peer causes Remote Code Execution
An Improper Validation of Syntactic Correctness of Input vulnerability in the VPN daemon of Juniper Networks Junos OS on SRX Series allows an authenticated, network-based attacker to take complete control of the device. If an SRX device configured for AutoDis…
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Medium 6.5
Junos OS Evolved: A port which has been inadvertently exposed can be reached by an attacker
An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to the device. Due to…
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Medium 5.9
Junos OS: SRX Series: Multiple DNS queries processed by SecIntel and DGA in the same session cause a flowd crash
A NULL Pointer Dereference vulnerability in the DNS plugin of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a complete Denial-of-Service (DoS). When multiple DNS queries are received in a single flow sessio…
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Medium 6.5
Junos OS and Junos OS Evolved: If in a traffic engineering scenario a specific valid BGP-LS attribute is received rpd crashes
An Incomplete List of Disallowed Inputs vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS). When in a BGP traffic engineering sce…
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Medium 6.8
Junos OS and Junos OS Evolved: If a specific set of BGP communities is present and graceful-shutdown sender is added while attempting to advertise rpd crashes
An Out-of-bounds Write vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent attacker which sends a specific set of BGP communities to cause a Denial-of-Service (DoS) as rpd crashes when gracef…
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Low 3.1
Junos OS and Junos OS Evolved: A BGP-LS peer causes heap data disclosure when traffic-engineering routing is enabled
An Improper Handling of Length Parameter Inconsistency vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP-LS peer to cause heap data disclosure via a malformed UPDATE sent over a sessio…
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Critical 9.8
Junos OS and Junos OS Evolved: J-Web permits pre-authentication CGI execution
An Improper Authentication vulnerability in J-Web of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network attacker to bypass J-Web authentication and execute CGI content with elevated privileges via a crafted HTTP request.
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High 7.5
Junos OS and Junos OS Evolved: A BGP peer causes an rpd crash if a malformed MCAST-TREE NLRI is received and readvertised
An Improper Validation of Consistency within Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-adjacent configured BGP peer to cause a denial of service by sending a specifically malfor…
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High 7.5
Junos OS and Junos OS Evolved: A remote BGP peer causes an rpd crash when long-lived graceful restart (LLGR) is used
An Improper Initialization vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a remote BGP peer to cause an rpd crash via an LLGR-stale route update readvertised to a configured non-LLGR peer group.
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High 7.5
Junos OS and Junos OS Evolved: A malformed SRv6 service route causes an rpd crash when dynamic tunnels are enabled
An Improper Validation of Specified Quantity in Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a remote unauthenticated BGP peer to cause an rpd crash via a malformed BGP-signaled SRv6 service…
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Medium 6.5
Junos OS and Junos OS Evolved: Malformed OSPF packets cause rpd memory disclosure or service disruption when link-local TE processing is used
An Improper Validation of Specified Quantity in Input vulnerability in rpd of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent OSPF peer to disclose rpd memory or cause a rpd crash via a malformed OSPF packets.
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Medium 6.5
Junos OS and Junos OS Evolved: A specific RSVP packet causes an rpd crash when L2 LSP support is used
An Improper Validation of Specified Quantity in Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause a denial of service via a crafted RSVP packet when …
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Medium 4.3
Junos OS and Junos OS Evolved: Malformed ICCP packets cause l2ald memory disclosure and disruption
An Improper Validation of Specified Quantity in Input vulnerability in the l2ald of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent attacker with access to an ICCP peer session to cause memory disclosure and disruption of the l2ald daemon vi…
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High 7.5
Junos OS and Junos OS Evolved: A specific BGP FlowSpec update causes an rpd crash when BGP FlowSpec import policy is used
A NULL Pointer Dereference vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a remote unauthenticated BGP peer to cause a denial of service via a specific BGP FlowSpec update received by an affected BG…
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High 7.5
Junos OS and Junos OS Evolved: A specific BGP packet causes an rpd crash when ephemeral configuration is used
A NULL Pointer Dereference vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a configured eBGP peer to cause a persistent routing-daemon denial of service via a specific BGP packet when ephemeral confi…
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Critical 9.8
Junos OS: Unauthorized root command execution when J-Web is enabled
An Improper Authentication vulnerability in the J-Web web management component of Juniper Networks Junos OS allows an unauthenticated remote attacker to execute arbitrary Junos commands with root privileges via the exposed J-Web web interface.
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Critical 9.8
Junos OS: Malformed Extended Echo requests cause a Routing Engine reboot when Extended Echo is enabled
An Integer Underflow vulnerability in the kernel of Juniper Networks Junos OS with Extended Echo configured allows an unauthenticated, network-based attacker to cause a denial of service by a kernel crash.
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High 8.8
Junos OS: An ICCP peer causes dot1xd to crash when dot1x synchronization is enabled
A Stack-based Buffer Overflow vulnerability in the dot1x daemon of Juniper Networks Junos OS devices operating as Junos Fusion Aggregation Devices allows an adjacent attacker acting as the configured ICCP peer to cause a denial of service and potentially exec…
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High 7.5
Junos OS: A remote TWAMP peer causes rmopd service disruption when TWAMP-Control is used
A Reachable Assertion vulnerability in the Two-Way Active Measurement Protocol (TWAMP) client of Juniper Networks Junos OS allows an unauthenticated network-based attacker to cause rmopd service disruption via a specific TCP packet.
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High 7.5
Junos OS: Malformed packet causes pkid denial of service when certificate re-enrollment is used
A NULL Pointer Dereference vulnerability in the pkid component of Juniper Networks Junos OS allows an unauthenticated remote attacker to cause a denial of service via a malformed packet received during CMP enrollment or automatic certificate re-enrollment.
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Medium 6.5
Junos OS: An authenticated attacker causes a denial of service when the gRPC extension-service is enabled
An Improper Handling of Highly Compressed Data vulnerability in the gRPC library used by na-grpcd of Juniper Networks Junos OS allows an authenticated network-based attacker to cause a denial of service via a compressed gRPC request.
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High 8.8
Junos OS: A crafted OVSDB message crashes vgd and allows remote code execution
A Heap-based Buffer Overflow vulnerability in the VXLAN Gateway Daemon (vgd) of Juniper Networks Junos OS allows a malicious or compromised SDN-controller to cause a complete outage of the OVSDB control plane and possibly remote code execution.
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Medium 6.5
Junos OS: MX Series: An unauthenticated network attacker causes an rpd crash when HFRR link protection is used
A Reachable Assertion vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos on MX Series routers allows an unauthenticated network attacker to cause a denial of service via an eBGP route update when HFRR link protection is configured in…
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High 8.8
Junos OS Evolved: An attacker causes telemetry disruption when network analytics telemetry is enabled
An Use of Externally-Controlled Format String vulnerability in the gRPC daemon of Juniper Networks Junos OS Evolved allows an authenticated network attacker to cause telemetry-service disruption, information disclosure, or potential root-level code execution …
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High 8.8
Junos OS Evolved: PTX Series: An attacker controlled DHCP response causes root-level compromise when zero-touch provisioning is used
An OS Command Injection vulnerability in the bootzd zero-touch provisioning daemon of Juniper Networks Junos OS Evolved allows an unauthenticated attacker on the management LAN to execute commands as root via crafted DHCP response.
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High 7.5
Junos OS Evolved: Malformed TCP key-chain traffic causes a kernel panic when BGP or LDP key-chain authentication is used
A Stack-based Buffer Overflow vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated remote attacker to trigger a kernel panic via a crafted TCP packet when key-chain authentication is used for BGP or LDP.
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Medium 6.5
Junos OS Evolved: QFX Series: A BGP peer causes an rpd crash when global load balancing is enabled
An Out-of-bounds Write vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS Evolved on QFX5240, QFX5241 and QFX5250 configured for BGP global-load-balancing and more than 128 ecmp next-hops allows an attacker to cause an rpd crash.
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High 8.8
Junos OS Evolved: PTX Series: An attacker controlled gRPC response causes root-level compromise when zero-touch provisioning is used
An OS Command Injection vulnerability in the bootzd zero-touch provisioning daemon of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated attacker on the management LAN to execute commands as root via a crafted gRPC response.
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Medium 6.5
Junos OS Evolved: PTX Series: An IS-IS peer causes an rpd crash when BIER over IS-IS is enabled
A Improper Validation of Specified Quantity in Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated IS-IS peer to cause a denial of service.
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High 8.2
Junos OS Evolved: A crafted analytics sensor resource causes telemetry dial-out daemon denial of service
A Use of Externally-Controlled Format String vulnerability in the jti-dialoutd of Juniper Networks Junos OS Evolved allows an authenticated network attacker to cause persistent telemetry dial-out denial of service via a crafted analytics sensor resource submi…
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Critical 9.8
Cisco Secure Email Gateway Arbitrary File Write Vulnerability
A vulnerability in the Advanced Malware Protection (AMP) feature of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system. This vulnerability is due to improper handling of email…
KEV Oct 14, 2026 -
High 7.5
NGINX Ingress Controller vulnerability
Description NGINX Ingress Controller has a vulnerability when implementing an externalAuth policy for ingress. NGINX Ingress Controller may mishandle the HTTP response from an OAuth IdP and allow an attacker to acquire unauthenticated access to protected path…
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Medium 6.5
NGINX ngx_http_js_module vulnerability
Description NGINX JavaScript (njs) has a vulnerability where the njs XML module exposes entity-backed XML attributes inconsistently with libxml2 canonicalization. In both the built-in njs and QuickJS backends during the canonicalization process, the $attr$Nam…
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Medium 5.3
NGINX ngx_http_js_module vulnerability
Description NGINX JavaScript (njs) has a vulnerability where the built-in njs engine leaks a libxml2 parser context when xml.parse() fails. The failure path did not register cleanup and the context was not released for the lifetime of the process. An unauthen…