VYPR
High severity8.8NVD Advisory· Published Apr 24, 2023· Updated Jun 17, 2026

CVE-2023-27991

CVE-2023-27991

Description

The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow an authenticated attacker to execute some OS commands remotely.

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Affected products

29

Patches

Vulnerability mechanics

References

1

News mentions

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