CVE Tools

Usg/zywall Series Firmware

8 CVEs tracked. None of them is in CISA KEV.

This hub aggregates every CVE we track for Usg/zywall Series Firmware, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.

Usg/zywall Series Firmware CVEs per month

Oct 2024 to Sep 2026. Point at a month, or focus the strip and use the arrow keys.
Usg/zywall Series Firmware CVEs per month
MonthCVEs
2024-100
2024-110
2024-120
2025-010
2025-020
2025-030
2025-040
2025-050
2025-060
2025-070
2025-080
2025-090
2025-100
2025-110
2025-120
2026-010
2026-020
2026-030
2026-040
2026-050
2026-060
2026-070
2026-080
2026-090

Severity

How the 8 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.

  • Critical225%
  • High225%
  • Medium450%

Latest CVEs

The 8 most recently published vulnerabilities affecting Usg/zywall Series Firmware.

  1. CVE-2022-2030A 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 thr...6.5
  2. CVE-2022-30526A 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 f...7.8
  3. CVE-2022-26532A 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 ...7.8
  4. CVE-2022-0910A 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 ver...6.5
  5. CVE-2022-0734A 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 serie...5.8
  6. CVE-2022-26531Multiple 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, AT...6.1
  7. CVE-2022-0342An authentication bypass vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.20 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware ve...9.8
  8. CVE-2021-35029An authentication bypasss vulnerability in the web-based management interface of Zyxel USG/Zywall series firmware versions 4.35 through 4.64 and USG Flex, ATP, and VPN series firmware versions 4.35...9.8

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