CVE-2026-81942 PLANET IGS-5225-8P2T4S V1/V2 OS Command Injection via Web Server

High 8.7 Published Updated

Remote authenticated attackers can execute arbitrary OS commands and escalate privileges to root on PLANET industrial switches via the web server.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-81942?

CVE-2026-81942 is a high-severity command injection vulnerability in PLANET IGS-5225-8P2T4S V1, published on 18 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-78

Which versions are affected by CVE-2026-81942?

How do I fix CVE-2026-81942?

No fix has been published for CVE-2026-81942 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-81942 being exploited?

There is no known exploitation of CVE-2026-81942 in the wild and no public exploit code.

Sources

Also known as GHSA-gw63-h58m-r4wr.

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