CVE-2026-75168 Missing authorization in n/a
A low-privileged user can write arbitrary content to configuration files due to missing authorization checks in the gateway firmware.
- 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-2026-75168?
CVE-2026-75168 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 the ugw-editfile method of /cgi-bin/wwwugw.cgi in MBS-Solutions X-Serie Gateway firmware V6_00_05 allows a remote authenticated user with the low-privileged Standard role to write arbitrary content to files within /uxx/config/ and /ugw/config/.
Weakness: CWE-284
Which versions are affected by CVE-2026-75168?
How do I fix CVE-2026-75168?
No fix has been published for CVE-2026-75168 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-2026-75168 being exploited?
There is no known exploitation of CVE-2026-75168 in the wild and no public exploit code.
Sources
Also known as GHSA-cx2g-php6-x9c3.