CVE-2026-75165 Missing authorization in n/a

Medium 6.5 Published Updated

Low-privileged users can invoke hidden network diagnostic methods to obtain sensitive information due to missing authorization checks.

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-2026-75165?

CVE-2026-75165 is a medium-severity missing authorization vulnerability in n/a, published on 4 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An issue in /cgi-bin/wwwugw.cgi of MBS-Solutions X-Serie Gateway firmware V6_00_05 allows a remote authenticated user with the low-privileged Standard role to invoke hidden network diagnostic methods (ugw-ping, ugw-traceroute) that are not exposed in the web UI, allowing attackers to obtain sensitive information.

Weakness: CWE-285

Which versions are affected by CVE-2026-75165?

How do I fix CVE-2026-75165?

No fix has been published for CVE-2026-75165 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-75165 being exploited?

There is no known exploitation of CVE-2026-75165 in the wild and no public exploit code.

Sources

Also known as GHSA-mjhh-fvh6-c8gp.

Is CVE-2026-75165 in your software?

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

Check your SBOMs for free