CVE-2026-75166Insecure 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.
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No exploitation reported and no EPSS estimate yet.
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.
- CVSS
- 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-276, CWE-269
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- mitre
- NVD analysis
- Deferred
- Record last updated
- Sep 9, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
No affected products are listed yet.
References
- https://en.mbs-solutions.de/mbs
- https://en.mbs-solutions.de/xserie
- https://github.com/SilviaMun/vulnerability-research/tree/main/CVE-2026-75166
The CVE record on cve.org NVD's entry
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