Vendor
Zyxel
176 known vulnerabilities.
Products
USG FLEX series firmware 51
ATP series firmware 49
VPN series Firmware 37
USG FLEX 50(W) series firmware 28
USG20(W)-VPN series firmware 28
NAS326 firmware 15
NAS542 firmware 14
USG FLEX 50(W) firmware 11
USG20(W)-VPN firmware 8
USG/Zywall series Firmware 8
VMG8825-T50K firmware 8
VMG3625-T50B firmware 7
WAC500 firmware 7
WBE660S firmware 5
NWA50AX firmware 5
ZyWALL/USG series firmware 5
NBG-418N v2 firmware 5
NR7101 firmware 5
NXC2500 firmware 4
WRE6505 v2 firmware 4
WAH7601 4
GS1900-8 firmware 4
GS1900-48 firmware 4
WX3100-T0 firmware 4
VMG4325-B10A firmware 3
NSG series firmware 3
WAX510D firmware 3
GS1900-8HP firmware 3
GS1900-10HP firmware 3
GS1900-24EP firmware 3
USG FLEX 100(W) firmware 3
USG FLEX 200 firmware 3
USG FLEX 500 firmware 3
USG FLEX 700 firmware 3
USG 20(W)-VPN firmware 3
WAX300H firmware 3
USG FLEX H series uOS firmware 3
NWA110AX firmware 3
WBE530 firmware 2
DX5401-B0 firmware 2
72 results · Clear filters · Feed
-
Medium 6.5
An incorrect authorization vulnerability in the Data Access Layer (DAL) of Zyxel EX3501-T0 firmware versions through 5.…
-
Medium 6.5
Sensitive Data Exposure in Zyxel WAH7601 Router
Exposure of sensitive system information to an unauthorized control sphere vulnerability in Zyxel Networks WAH7601 allows Web Application Fingerprinting. This issue affects WAH7601: through 20072026.
-
Medium 6.5CVE-2026-8508 Public exploit
An improper authentication vulnerability in the "social_login.cgi" CGI program in Zyxel WAX650S firmware versions throu…
-
Medium 6.5
A buffer overflow vulnerability in the UPnP DeletePortMapping() command in Zyxel VMG4005-B50B firmware versions through…
-
Medium 6.5
A buffer overflow vulnerability in the UPnP AddPortMapping() command in Zyxel VMG4005-B50B firmware versions through 5.…
-
Medium 6.5
A missing authorization vulnerability in Zyxel GS1200-5v3 firmware versions through 1.00(ACPS.2)C0, GS1200-8v3 firmware…
-
Medium 4.4
** UNSUPPORTED WHEN ASSIGNED ** An insecure storage of sensitive information vulnerability in the configuration file of…
-
Medium 6.5
** UNSUPPORTED WHEN ASSIGNED ** An improper restriction of excessive authentication attempts vulnerability in the web m…
-
Medium 6.8
A post-authentication command injection vulnerability in the EasyMesh-related APIs of Zyxel DX3300-T0 firmware versions…
-
Medium 4.5
** UNSUPPORTED WHEN ASSIGNED ** An improper encoding or escaping vulnerability in the CGI program of Zyxel WRE6505 v2 f…
-
Medium 4.9
A null pointer dereference vulnerability in the Wake-on-LAN CGI program of the Zyxel VMG3625-T50B firmware version thro…
-
Medium 4.9
A null pointer dereference vulnerability in the IP settings CGI program of the Zyxel VMG3625-T50B firmware versions thr…
-
Medium 4.9
A null pointer dereference vulnerability in the account settings CGI program of the Zyxel VMG3625-T50B firmware version…
-
Medium 4.9
A null pointer dereference vulnerability in the certificate downloader CGI program of the Zyxel VMG3625-T50B firmware v…
-
Medium 5.3
An uncontrolled resource consumption vulnerability in the web server of Zyxel DX3301-T0 firmware version 5.50(ABVY.6.3)…
-
Medium 4.9CVE-2025-3577 EPSS 13%
**UNSUPPORTED WHEN ASSIGNED** A path traversal vulnerability in the web management interface of the Zyxel AMG1302-T10B …
-
Medium 6.7
An improper privilege management vulnerability in the recovery function of the Zyxel USG FLEX H series uOS firmware ver…
-
Medium 4.9
A post-authentication buffer overflow vulnerability in the parameter "action" of the CGI program in Zyxel VMG3625-T50B …
-
Medium 4.5
A buffer overflow vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version V2.80(AAHN.1)C0 and e…
-
Medium 6.8
A post-authentication command injection vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version…
-
Medium 5.5
The insufficiently protected credentials vulnerability in the CLI command of the USG FLEX H series uOS firmware version…
-
Medium 4.9
An improper restriction of operations within the bounds of a memory buffer in the USB file-sharing handler of the Zyxel…
-
Medium 4.9
An improper restriction of operations within the bounds of a memory buffer in the MAC address parser of the Zyxel VMG88…
-
Medium 4.9
An improper restriction of operations within the bounds of a memory buffer in the IPv6 address parser of the Zyxel VMG8…
-
Medium 4.9
An improper restriction of operations within the bounds of a memory buffer in the parameter type parser of the Zyxel VM…
-
Medium 5.3
An insufficient entropy vulnerability caused by the improper use of a randomness function with low entropy for web auth…
-
Medium 6.1
A reflected cross-site scripting (XSS) vulnerability in the CGI program "dynamic_script.cgi" of Zyxel ATP series firmwa…
-
Medium 4.9
A buffer overflow vulnerability in the CGI program of Zyxel ATP series firmware versions from V4.32 through V5.38, USG …
-
Medium 6.5
The improper privilege management vulnerability in the Zyxel WBE660S firmware version 6.70(ACGG.3) and earlier versions…
-
Medium 6.5
** UNSUPPORTED WHEN ASSIGNED ** The improper privilege management vulnerability in the command “show_allsessions” in Zy…
-
Medium 6.7
** UNSUPPORTED WHEN ASSIGNED ** The improper privilege management vulnerability in the SUID executable binary in Zyxel …
-
Medium 5.5
The buffer overflow vulnerability in the DX3300-T1 firmware version V5.50(ABVY.4)C0 could allow an authenticated local …
-
Medium 6.5
The buffer overflow vulnerability in the CGI program of the VMG3625-T50B firmware version V5.50(ABPM.8)C0 could allow a…
-
Medium 5.7
A format string vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series fir…
-
Medium 6.5
A null pointer dereference vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1 and USG F…
-
Medium 5.5
An improper privilege management vulnerability in the hotspot feature of the Zyxel USG FLEX series firmware versions 4.…
-
Medium 5.5
An improper privilege management vulnerability in the debug CLI command of the Zyxel ATP series firmware versions 4.32 …
-
Medium 5.5
An improper privilege management vulnerability in the ZySH of the Zyxel ATP series firmware versions 4.32 through 5.37,…
-
Medium 4.4
A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmware version 5.37, U…
-
Medium 5.5
A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware v…