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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.

PUBLISHED Reserved 2025-10-08 | Published 2025-10-21 | Updated 2025-10-21 | Assigner icscert




CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-288: Authentication Bypass Using an Alternate Path or Channel

Product status

Default status
unaffected

Firmware version 5.5.27_20190111
affected

Default status
unaffected

Firmware version 5.5.13_20180720
affected

Firmware version 5.5.36_20190709
affected

Credits

HD Moore of runZero discovered this vulnerability and Tod Beardsley of runZero reported this vulnerability to CISA. finder

References

www.cisa.gov/news-events/ics-advisories/icsa-25-294-06 government-resource

www.runzero.com/...ories/raisecom-ssh-bypass-cve-2025-11534/ third-party-advisory technical-description

cve.org (CVE-2025-11534)

nvd.nist.gov (CVE-2025-11534)

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