CVE-2026-42062 Command injection in WRC-BE65QSD-B

Critical 9.3 Published Updated

Unauthenticated attackers can execute arbitrary OS commands on ELECOM wireless access points via a crafted username parameter.

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

What is CVE-2026-42062?

CVE-2026-42062 is a critical command injection vulnerability in ELECOM CO.,LTD. WRC-BE65QSD-B, published on 13 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

ELECOM wireless LAN access point devices contain an OS command injection in processing of username parameter. If processing a crafted request, an arbitrary OS command may be executed. No authentication is required.

Weakness: CWE-78

Which versions are affected by CVE-2026-42062?

How do I fix CVE-2026-42062?

No fix has been published for CVE-2026-42062 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-2026-42062 being exploited?

There is no known exploitation of CVE-2026-42062 in the wild and no public exploit code.

Sources

Also known as GHSA-mh6j-mmrp-wqc9.

Is CVE-2026-42062 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free