CVE-2022-26413

8.0 HIGH 0.7% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment with a low-privilege account. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.7% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2022-04-11 13:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 04:35 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.7% in the next 30 days (EPSS).
Severity: 8.0 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2022-04-11 13:15 UTC
Last modified: 2026-06-17 04:35 UTC
Exploit probability: 0.7% · EPSS, next 30 days
Weakness: CWE-78 · OS command injection
Record status: Modified

Affected

Zyxel vmg3312-t20a Firmware 5.30\(abfx.5\)c0
Zyxel emg3525-t50b Firmware < 5.50\(abpm.6\)c0
Zyxel emg5523-t50b Firmware < 5.50\(abpm.6\)c0
Zyxel emg5723-t50k Firmware < 5.50\(abom.7\)c0
Zyxel emg6726-b10a Firmware < 5.13\(abnp.7\)c0
Zyxel vmg1312-t20b Firmware < 5.50\(absb.5\)c0
Zyxel vmg3625-t50b Firmware < 5.50\(abpm.6\)c0
Zyxel vmg3927-b50a Firmware < 5.17\(abmt.6\)c0

Attack profile CVSS 3.1 · 8.0

Attack vector: Adjacent network
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2022-26413.md and follow it. Check whether this project is affected by CVE-2022-26413. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record