CVE-2026-75167

Description

A broken access control vulnerability in the ugw-usr-edit 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 change the password of arbitrary accounts.

References

• https://en.mbs-solutions.de/mbs
• https://en.mbs-solutions.de/xserie
• https://github.com/SilviaMun/vulnerability-research/tree/main/CVE-2026-75167