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Vulnerability record · CVE-2025-11534 · published 21 October 2025

CVE-2025-11534: Authentication bypass via alternate path vulnerability

The affected Raisecom devices allow SSH sessions to be established without completing user authentication. This could allow attackers to gain shell access without valid credentials.

9.3 CVSS 4.0 Critical EPSS 0.66% · top 50.5% CWE-288 · Authentication bypass via alternate path Deferred
9.3CVSS 4.0 base score
0.66%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

The affected Raisecom devices allow SSH sessions to be established without completing user authentication. This could allow attackers to gain shell access without valid credentials.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://www.cisa.gov/news-events/ics-advisories/icsa-25-294-06
https://www.runzero.com/advisories/raisecom-ssh-bypass-cve-2025-11534/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-11534), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.