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OpenAdvisories
High · 8.8 CVE-2023-27991 EUVD-2023-31716GHSA-2j4f-52m8-xq9h

The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLE…

Published Apr 24, 2023 · Updated Feb 4, 2025 · Assigned by Zyxel

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.

Affected products

VendorProductAffectedFixed
Zyxel ATP series firmware 4.32 through 5.35 —
Zyxel USG FLEX series firmware 4.50 through 5.35 —
Zyxel USG FLEX 50(W) firmware 4.16 through 5.35 —
Zyxel USG20(W)-VPN firmware 4.16 through 5.35 —
Zyxel VPN series firmware 4.30 through 5.35 —

Advisories 1

References