CVE-2022-26413

high-risk

Published 2022-04-11

A command injection vulnerability in the CGI program of Zyxel VMG3312-T20A firmware version 5.30(ABFX.5)C0 could allow a local authenticated attacker to execute arbitrary OS commands on a vulnerable device via a LAN interface.

Do I need to act?

0.63% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 8.0/10 High

ADJACENT_NETWORK / LOW complexity

Affected Products (20)

Vmg3312-T20A Firmware

Emg3525-T50B Firmware

Emg5523-T50B Firmware

Emg5723-T50K Firmware

Emg6726-B10A Firmware

Vmg1312-T20B Firmware

Vmg3625-T50B Firmware

Vmg3927-B50A Firmware

Vmg3927-B50B Firmware

Vmg3927-B60A Firmware

Vmg3927-T50K Firmware

Vmg4927-B50A Firmware

Vmg8623-T50B Firmware

Vmg8825-B50A Firmware

Vmg8825-B50B Firmware

Vmg8825-T50K Firmware

Vmg8825-B60A Firmware

Vmg8825-B60B Firmware

Affected Vendors

Zyxel

References (2)

Vendor Advisory https://www.zyxel.com/support/OS-command-injection-and-buffer-overflow-vulnerabi...

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high-risk

Severity 25/34 · High

Exploitability 2/34 · Minimal

Exposure 23/34 · High