Vendor
silabs.com
99 known vulnerabilities.
silabs.com at a glance
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| Month | Vulnerabilities | Critical |
|---|---|---|
| Nov 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
| Sep 2026 | 1 | 0 |
| Aug 2026 | 9 | 0 |
| Jul 2026 | 0 | 0 |
| Jun 2026 | 1 | 0 |
| May 2026 | 2 | 0 |
| Apr 2026 | 0 | 0 |
| Mar 2026 | 1 | 0 |
| Feb 2026 | 6 | 0 |
| Jan 2026 | 2 | 1 |
| Dec 2025 | 2 | 0 |
| Nov 2025 | 1 | 0 |
| Oct 2025 | 2 | 1 |
| Sep 2025 | 1 | 0 |
| Aug 2025 | 0 | 0 |
| Jul 2025 | 4 | 0 |
| Jun 2025 | 0 | 0 |
| May 2025 | 0 | 0 |
| Apr 2025 | 1 | 0 |
| Mar 2025 | 0 | 0 |
| Feb 2025 | 0 | 0 |
| Jan 2025 | 16 | 0 |
| Dec 2024 | 3 | 0 |
Most common weaknesses
Products
99 results · Feed
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High 7.1
RS9116W/SiWx917 plaintext pause encryption request causes DOS
An unencrypted 'pause encryption request' message causes a denial of service in the in the RS9116W/SiWx917. See vulnerability B-E10 in the related paper below.
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Medium 5.3
RS9116W/SiWx917 malformed packet with increased length field causes memory leak
A malformed Bluetooth connection request message can cause the RS9116W/SiWx917 to leak potentially sensitive information. See vulnerability B-E4 in the related paper below.
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High 7.6
Bypassing passkey entry in legacy pairing
Passkey entry Bluetooth LE legacy pairing can be bypassed in the RS9116W and SiWx917 by manipulating the temporary key value. See vulnerability B-E3 in the related paper below.
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High 7.1
BT122 plaintext pause encryption request causes DOS
An unencrypted 'pause encryption request' message causes a denial of service in the BT122 module. See vulnerability B-E10 in the related paper below.
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Medium 5.3
BT122 malformed packet with increased length field causes memory leak
A malformed Bluetooth connection request message can cause the BT122 to leak potentially sensitive information. See vulnerability B-E4 in the related paper below.
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Medium 5.3
BT122 stops advertising
The BT122 module stops advertising after receiving a plaintext 'pause enceryption response' message resulting in a denial of service. See vulnerability B-E2 in the related paper below.
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High 8.8
SMP security request
SMP security request (from peripheral) does not include the maximum encryption key size supported. Using a key with less than the maximum keysize makes brute-forcing the key easier. See V6 in BLERP paper linked below.
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High 8.8
Bluetooth re-pairing with legitimate device can use lower security level
Re-pairing with a legitimate device can use a lower security level than previous making brute-forcing the LTK easier. See V4 in the BLERP paper linked below.
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High 8.8
Bluetooth re-pairing can use a lower security level than previous
Bluetooth re-pairing with an existing device can use a lower security level. RS9116W and SiWx91x impacted. See V3 in the BLERP paper linked below.
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High 8.8
forced re-pairing with already bonded device
Spoofing an already bonded device can force either RS9116W or SiWx917 to re-pair/bond with a rogue device. See V1 in BLERP paper below
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High 7.1
DPA Countermeasures weakening on Series 3 devices
SYMCRYPTO is the SiXG301's host side hardware engine accessed by PSA crypto library that accelerates symmetric cryptographic operations (AES encryption/decryption and hashing). DPA Countermeasures on SYMCRYPTO can be weakened (reduced entropy) by forcing cert…
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High 8.8
An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the b…
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Medium 4.1
Insufficient DPA countermeasure reseeding
* Countermeasures for DPA within SYMCRYPTO engine on SixG301xxx devices are not sufficiently random and will eventually repeat. * KSU keys using SYMCRYPTO will be impacted by this vulnerability.
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Low 2.1
Command Execution vulnerability in Simplicity Installer
Vulnerable endpoints accept user-controlled input through a URL in JSON format which enables command execution. The commands allowed to execute can open executables. However, the commands cannot pass parameters or arguments. To successfully execute this atta…
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Low 2.4
Integer underflow in Secure NCP host
An integer underflow vulnerability in Silicon Labs Secure NCP host implementation allows a buffer overread via a specially crafted packet.
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Low 2.3
ECJ-PAKE Integer Underflow Vulnerability in Silicon Labs PSA Crypto and SE Manager APIs
An integer underflow vulnerability is present in Silicon Lab’s implementation of PSA Crypto and SE Manager EC-JPAKE APIs during ZKP parsing. Triggering the underflow can lead to a hard fault, causing a temporary denial of service.
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Medium 6.0
Integer Wraparound DoS in Silicon Labs Matter Implementation
A reachable infinite loop via an integer wraparound is present in Silicon Labs' Matter SDK which allows an attacker to trigger a denial of service. A hard reset is required to recover the device.
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High 7.5
Reflected XSS vulnerability in Simplicity Device Manager tool
The Simplicity Device Manager Tool has a Reflected XSS (Cross-site-scripting) vulnerability in several API endpoints. The attacker needs to be on the same network to execute this attack. These APIs can affect confidentiality, integrity, and availability of th…
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Low 1.0
DPA countermeasures not reseeded under certain conditions
DPA countermeasures in Silicon Labs' Series 2 devices are not reseeded under certain conditions. This may allow an attacker to eventually extract secret keys through a DPA attack.
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Medium 5.3
Truncated 802.15.4 packet leads to denial of service
A truncated 802.15.4 packet can lead to an assert, resulting in a denial of service.
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Critical 9.2
Zigbee Router Denial of Service
After receiving a malformed 802.15.4 MAC Data Request the Zigbee Coordinator sends a ‘network leave’ request to Zigbee router resulting in the Zigbee Router getting stuck in a non-rejoinable state. If a suitable parent is not available, the end devices will b…
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Medium 5.3
Silicon Labs Z-Wave Protocol Controller Integer underflow vulnerability leads to out of bounds read
An integer underflow vulnerability in the Silicon Labs Z-Wave Protocol Controller can lead to out of bounds memory reads.
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Medium 6.0
Denial of Service Vulnerability in Silicon Labs WF200 and WGM160P Devices
When a WF200/WGM160P device is configured to operate as an Access Point, it may be vulnerable to a denial of service triggered by a malformed packet. The device may recover automatically or require a hard reset.
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High 7.4
Simplcity Device Manager exposes NTLMv2 hash
The web interface of the Silicon Labs Simplicity Device Manager is exposed publicly and can be used to extract the NTLMv2 hash which an attacker could use to crack the user's domain password.
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High 7.1CVE-2025-4321 Public exploit
DoS in RS9116W-WiSeConnect L2CAP protocol due to reception of malformed packets
In a Bluetooth device, using RS9116-WiseConnect SDK experiences a Denial of Service, if it receives malformed L2CAP packets, only hard reset will bring the device to normal operation
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High 7.6
Silicon Labs Z-Wave PIR Sensor Joins Network as Non-Secure
When SmartStart Inclusion fails during the onboarding of a Z-Wave PIR sensor, the sensor will join the network as a non-secure device. This vulnerability exists in Silicon Labs' Z-Wave PIR Sensor Reference design delivered as part of SiSDK v2025.6.0 and v2025…
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Critical 9.4
Zigbee Green Power Host Buffer Overflow Vulnerability
Due to improper input validation, a buffer overflow vulnerability is present in Zigbee EZSP Host Applications. If the buffer overflows, stack corruption is possible. In certain conditions, this could lead to arbitrary code execution. Access to a network key i…
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High 8.6
Man in the middle (MitM) attack vulnerability in Wi-SUN library
Wi-SUN unexpected 4- Way Handshake packet receptions may lead to predictable keys and potentially leading to Man in the middle (MitM) attack
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Medium 5.9
Denial of Service (DoS) vulnerabilitiey in Zigbee library
The Ember ZNet stack’s packet buffer manager may read out of bound memory leading to an assert, causing a Denial of Service (DoS).
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Medium 5.9
DoS in Zigbee device due to heavy traffic
A Zigbee Radio Co-Processor (RCP), which is using SiLabs EmberZNet Zigbee stack, was unable to send messages to the host system (CPCd) due to heavy Zigbee traffic, resulting in a Denial of Service (DoS) attack, Only hard reset will bring the device to normal …
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Medium 5.3
High traffic causes corrupt SPI packets in OpenThread leading to denial of service
In high traffic environments, a Silicon Labs OpenThread RCP (see impacted versions) fails to clear the SPI transmit buffer and may send a corrupt packet over SPI to its host, causing the host to reset the RCP which results in a denial of service.
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Medium 6.0
Buffer overflow in Si91x crypto APIs
The following APIs for the Silcon Labs SiWx91x prior to vesion 3.4.0 failed to check the size of the output buffer of the caller which could lead to data corruption on the host (Cortex-M4) application. sl_si91x_aes sl_si91x_gcm sl_si91x_ccm sl_si91x_sha
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Low 1.0
DPA Countermeasures Unavailable for Certain Cryptographic Operations on Series 2 Devices
DPA countermeasures are unavailable for ECDH key agreement and EdDSA signing operations on Curve25519 and Curve448 on all Series 2 modules and SoCs due to a lack of hardware and software support. A successful DPA attack may result in exposure of confidential …
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Medium 4.3
Malformed packet leads to denial of service in NWK/APS layer
A malformed packet can cause a buffer overflow in the NWK/APS layer of the Ember ZNet stack and lead to an assert
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High 8.6
Uncontrolled search path can lead to DLL hijacking in USBXpress Win 98SE Dev Kit installer
DLL hijacking vulnerabilities, caused by an uncontrolled search path in the USBXpress Win 98SE Dev Kit installer can lead to privilege escalation and arbitrary code execution when running the impacted installer.
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High 8.6
Uncontrolled search path can lead to DLL hijacking in USBXpress SDK installer
DLL hijacking vulnerabilities, caused by an uncontrolled search path in the USBXpress SDK installer can lead to privilege escalation and arbitrary code execution when running the impacted installer.
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High 8.6
Uncontrolled search path can lead to DLL hijacking in USBXpress 4 SDK installer
DLL hijacking vulnerabilities, caused by an uncontrolled search path in the USBXpress 4 SDK installer can lead to privilege escalation and arbitrary code execution when running the impacted installer.
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High 8.6
Uncontrolled search path can lead to DLL hijacking in USBXpress Dev Kit installer
DLL hijacking vulnerabilities, caused by an uncontrolled search path in the USBXpress Dev Kit installer can lead to privilege escalation and arbitrary code execution when running the impacted installer.
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High 8.6
Uncontrolled search path can lead to DLL hijacking in CP210x VCP Windows installer
DLL hijacking vulnerabilities, caused by an uncontrolled search path in the CP210x VCP Windows installer can lead to privilege escalation and arbitrary code execution when running the impacted installer.
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High 8.6
Uncontrolled search path can lead to DLL hijacking in CP210 VCP Win 2k installer
DLL hijacking vulnerabilities, caused by an uncontrolled search path in the CP210 VCP Win 2k installer can lead to privilege escalation and arbitrary code execution when running the impacted installer.