CVE-2026-75166

Description

Insecure Permission vulnerability in MBS-Solutions X-Serie Gateway firmware V6_00_05 allows the low-privileged service user to execute /usr/bin/tcpdump as root without a password. By leveraging the tcpdump -z option, an authenticated attacker can achieve arbitrary command execution.

References

• https://en.mbs-solutions.de/mbs
• https://en.mbs-solutions.de/xserie
• https://github.com/SilviaMun/vulnerability-research/tree/main/CVE-2026-75166