CVE-2025-35021

By failing to authenticate three times to an unconfigured Abilis CPX device via SSH, an attacker can login to a restricted shell on the fourth attempt, and from there, relay connections.

CVSS 3.1

6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 25% of CVEs (scores of 2026-10-25)

CWE

CWE-1188

Published

2025-11-04

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

Affected

• antek:abilis_cpx_firmware

References

• https://support.abilis.net/relnotes/cpx2k/R9.0.html#R9.0.7
• https://takeonme.org/gcves/GCVE-1337-2025-00000000000000000000000000000000000000000000000001011111111111011111111110000000000000000000000000000000000000000000000000000000100
• https://www.runzero.com/advisories/abilis-cpx-authentication-bypass-cve-2025-35021/

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