Zyxel Usg 2200-VPN Firmware vulnerabilities

14 CVEs affecting Zyxel Usg 2200-VPN Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2023-34141, published 2023-07-17.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2023-33012, published 2023-07-17. High severity, CVSS 8.8. EPSS: 9.9% chance of exploitation in the next 30 days. A command injection vulnerability in the configuration parser of the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG…
CVE-2022-0734, published 2022-05-24. Medium severity, CVSS 6.1. EPSS: 9.4% chance of exploitation in the next 30 days. A cross-site scripting vulnerability was identified in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.35 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series…
CVE-2022-26531, published 2022-05-24. High severity, CVSS 7.8. EPSS: 6.2% chance of exploitation in the next 30 days. Multiple improper input validation flaws were identified in some CLI commands of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP…
CVE-2022-26532, published 2022-05-24. High severity, CVSS 7.8. EPSS: 4.8% chance of exploitation in the next 30 days. A argument injection vulnerability in the 'packet-trace' CLI command of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series…
CVE-2022-2030, published 2022-07-19. Medium severity, CVSS 6.5. EPSS: 1.4% chance of exploitation in the next 30 days. A directory traversal vulnerability caused by specific character sequences within an improperly sanitized URL was identified in some CGI programs of Zyxel USG FLEX 100(W) firmware versions 4.50…
CVE-2022-30526, published 2022-07-19. High severity, CVSS 7.8. EPSS: 1.1% chance of exploitation in the next 30 days. A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500…
CVE-2018-9129, published 2018-08-15. Medium severity, CVSS 5.9. EPSS: 1% chance of exploitation in the next 30 days. ZyXEL ZyWALL/USG series devices have a Bleichenbacher vulnerability in their Internet Key Exchange (IKE) handshake implementation used for IPsec based VPN connections.
CVE-2023-34139, published 2023-07-17. High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days. A command injection vulnerability in the Free Time WiFi hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.36 Patch 2 and VPN series firmware versions 4.20 through 5.36…
CVE-2022-0910, published 2022-05-24. Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days. A downgrade from two-factor authentication to one-factor authentication vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.32 through 4.71, USG FLEX series firmware…
CVE-2023-34141, published 2023-07-17. High severity, CVSS 8.0. EPSS: 0.7% chance of exploitation in the next 30 days. A command injection vulnerability in the access point (AP) management feature of the Zyxel ATP series firmware versions 5.00 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36…

Latest

CVE-2023-34140, published 2023-07-17. Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days. A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.36 Patch 2, USG FLEX series firmware versions 4.50 through 5.36 Patch 2, USG FLEX 50(W) series firmware…
CVE-2023-34138, published 2023-07-17. High severity, CVSS 8.0. EPSS: 0.7% chance of exploitation in the next 30 days. A command injection vulnerability in the hotspot management feature of the Zyxel ATP series firmware versions 4.60 through 5.36 Patch 2, USG FLEX series firmware versions 4.60 through 5.36 Patch 2, …
CVE-2023-33011, published 2023-07-17. High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days. A format string vulnerability in the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware…
CVE-2023-28767, published 2023-07-17. High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days. The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions 5.00 through 5.36, USG FLEX 50(W)…