CVE-2026-75166 - 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

Back Back to CVE browser

HIGH

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

Published Sep 4, 2026

8.8

HIGH

CVSS 3.1

EPSS 0.74%

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.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (2)

CWE-269

Improper Privilege Management

CWE-276

Incorrect Default Permissions

References (4)

Link	Providers	Tags
https://en.mbs-solutions.de/mbs
https://en.mbs-solutions.de/xserie
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-71447		Advisory
https://github.com/SilviaMun/vulnerability-research/tree/main/CVE-2026-75166