Arbitrary Code Injection in MBS-Solutions X-Serie Gateway Firmware
CVE-2026-75161

8.8HIGH

Key Information:

Vendor

MBS-Solutions

Status
X-Serie Gateway
Vendor
CVE Published:
4 September 2026

What is CVE-2026-75161?

A vulnerability exists within the ugw-restart method of /cgi-bin/wwwugw.cgi in MBS-Solutions X-Serie Gateway firmware version V6_00_05. This security flaw permits remote authenticated users with standard privileges to execute arbitrary code through the dpcheck system utility, which runs with root-level permissions. Such exploitation could lead to significant disruptions or unauthorized access to sensitive system functionalities.

References

https://en.mbs-solutions.de/mbs
https://en.mbs-solutions.de/xserie
https://github.com/SilviaMun/vulnerability-research/tree/...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.