CVE-2026-81942

High CVSS 8.8

Published 2026-09-18 · last changed 2026-09-18

The fix

We hold no Microsoft remediation data for CVE-2026-81942, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

PLANET IGS-5225-8P2T4S industrial managed switch V1 and V2 firmware versions before 1.2412b260707 and 2.2412b260519 contain an OS command injection vulnerability in the web server. User-supplied input is passed to system() without sufficient filtering, allowing a remote authenticated attacker to execute arbitrary commands on the underlying operating system and escalate privileges to root.

Sources

NVD record for CVE-2026-81942

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