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CVE-2026-75166

HIGH
8.8
CVSS Score
Published: September 4, 2026 at 12:00 AM UTC
Updated: September 9, 2026 at 08:37 PM UTC
1 product affected across 1 vendorMBS-Solutions X-Serie Gateway

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Severity
HIGH8.8
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-269CWE-276

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