CVE-2026-59764 Command injection in WRC-X3000GS3-B

High 8.6 Published Updated

Authenticated attackers can execute arbitrary OS commands on ELECOM wireless routers via the WebUI.

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-2026-59764?

CVE-2026-59764 is a high-severity command injection vulnerability in ELECOM CO.,LTD. WRC-X3000GS3-B, published on 28 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

ELECOM wireless LAN routers and access points devices contain an OS Command Injection vulnerability in WebUI. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.

Weakness: CWE-78

Which versions are affected by CVE-2026-59764?

How do I fix CVE-2026-59764?

No fix has been published for CVE-2026-59764 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-2026-59764 being exploited?

There is no known exploitation of CVE-2026-59764 in the wild and no public exploit code.

Sources

Also known as GHSA-5rfp-gm74-mxcc.

Is CVE-2026-59764 in your software?

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