Authentication Bypass Using an Alternate Path or Channel in Raisecomm RAX701-GC Series

published 2025-10-21 12 mo ago modified 2026-10-18 21 d ago also EUVD-2025-35193

cvss: 9.3; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-25-294-06 updated 2025-10-21 cvss 9.8

Raisecomm RAX701-GC Series

Raisecomm RAX701-GC-WP-01 P200R002C52 Firmware__5.5.27_20190111 Raisecomm RAX701-GC-WP-01 P200R002C53 5.5.13_20180720, 5.5.36_20190709
affected: mitigation en.raisecom.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 12 mo ago (2025-10-21)

Exploit prediction

0.66% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	9.3	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
CNA	4.0	9.3	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:X/V:X/RE:X/U:X

Affected products

Raisecomm RAX701-GC-WP-01 P200R002C52
Raisecomm RAX701-GC-WP-01 P200R002C53

Classification

Weakness

CWE-288 Authentication Bypass Using an Alternate Path or Channel

References

cisa.gov /news-events/ics-advisories/icsa-25-294-06
government-resource
runzero.com /advisories/raisecom-ssh-bypass-cve-2025-11534/
third-party-advisory, technical-description

Sources

CVE List CVE-2025-11534
NVD CVE-2025-11534

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary