CVE-2026-75168

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/.

CVSS Vector

References

• https://en.mbs-solutions.de/mbs
• https://en.mbs-solutions.de/xserie
• https://github.com/SilviaMun/vulnerability-research/tree/main/CVE-2026-75168