CVE-2026-75166

HIGH CVSS 3.1: 8.8 EPSS 0.49%
Updated Sep 09, 2026
Insecure
Parameter Value
CVSS 8.8 (HIGH)
Type CWE-269 (Improper Privilege Management), CWE-276
Vendor Insecure
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1