CVE-2026-81943

Medium CVSS 6.7

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

The fix

We hold no Microsoft remediation data for CVE-2026-81943, 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 active debug functionality in the embedded software. An attacker with privileged access to the device can enable this debug mode to execute arbitrary code on the underlying operating system and gain root-level access.

Sources

NVD record for CVE-2026-81943

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