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CISA Known Exploited Vulnerability

This CVE is actively exploited in the wild. CISA mandates federal agencies to patch immediately.

CVE

CVE-2022-30525

9.8

CVSScritical

Exploitable remotely over the internet · no authentication required.

Description

A OS command injection vulnerability in the CGI program of Zyxel USG FLEX 100(W) firmware versions 5.00 through 5.21 Patch 1, USG FLEX 200 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 500 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 700 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 50(W) firmware versions 5.10 through 5.21 Patch 1, USG20(W)-VPN firmware versions 5.10 through 5.21 Patch 1, ATP series firmware versions 5.10 through 5.21 Patch 1, VPN series firmware versions 4.60 through 5.21 Patch 1, which could allow an attacker to modify specific files and then execute some OS commands on a vulnerable device.

Attack Vector

Network

Privileges Req.

None

User Interaction

None

usg flex 100(w) firmwareusg flex 200 firmwareusg flex 500 firmwareusg flex 700 firmwareatp series firmwarevpn series firmware

Updated Oct 24, 2026View on NVD →

S4E scanner

criticalProduct Based Web Vulnerabilities~10 seconds

CVE-2022-30525 Scanner

CVE-2022-30525 scanner - Command Injection vulnerability in Zyxel USG FLEX 100(W), USG FLEX 200, USG FLEX 500, USG FLEX 700, USG FLEX 50(W), USG20(W)-VPN, ATP series, VPN series

Used 2.8k times · 3.4k assets checked · domain, ipv4, subdomain

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CVE history: usg flex 100(w) firmware

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