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Medium severity4.7NVD Advisory· Published Dec 6, 2022· Updated Jun 17, 2026

CVE-2022-40603

CVE-2022-40603

Description

A cross-site scripting (XSS) vulnerability in the CGI program of Zyxel ZyWALL/USG series firmware versions 4.30 through 4.72, VPN series firmware versions 4.30 through 5.31, USG FLEX series firmware versions 4.50 through 5.31, and ATP series firmware versions 4.32 through 5.31, which could allow an attacker to trick a user into visiting a crafted URL with the XSS payload. Then, the attacker could gain access to some browser-based information if the malicious script is executed on the victim’s browser.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

8
  • Zyxel/VPN seriesllm-fuzzy2 versions
    4.30 - 5.31+ 1 more
    • (no CPE)range: 4.30 - 5.31
    • (no CPE)range: 4.30 through 5.31
  • Zyxel/ZyWALL/USG seriesllm-fuzzy2 versions
    4.30 - 4.72+ 1 more
    • (no CPE)range: 4.30 - 4.72
    • (no CPE)range: 4.30 through 4.72
  • Zyxel/ATP seriesllm-fuzzy2 versions
    4.32 - 5.31+ 1 more
    • (no CPE)range: 4.32 - 5.31
    • (no CPE)range: 4.32 through 5.31
  • Zyxel/USG FLEX seriesllm-fuzzy2 versions
    4.50 - 5.31+ 1 more
    • (no CPE)range: 4.50 - 5.31
    • (no CPE)range: 4.50 through 5.31

Patches

Vulnerability mechanics

References

1

News mentions

0

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