CVE-2026-22550 Command injection in WRC-X1500GS-B

High 8.6 Published Updated

A logged-in user can execute arbitrary OS commands on ELECOM wireless LAN routers via a crafted request.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-22550?

CVE-2026-22550 is a high-severity command injection vulnerability in ELECOM CO.,LTD. WRC-X1500GS-B, published on 3 Feb 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

OS command injection vulnerability exists in ELECOM wireless LAN products. A crafted request from a logged-in user may lead to an arbitrary OS command execution.

Weakness: CWE-78

Which versions are affected by CVE-2026-22550?

It affects 2 products.

Products include Elecom Wrc-X1500gs-B Firmware, Elecom Wrc-X1500gsa-B Firmware.

How do I fix CVE-2026-22550?

No fix has been published for CVE-2026-22550 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-2026-22550 being exploited?

There is no known exploitation of CVE-2026-22550 in the wild and no public exploit code.

Sources

Also known as GHSA-8xcm-8rgq-rpm4.

Is CVE-2026-22550 in your software?

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