CVE-2025-22939

9.8 criticalEPSS 2.7%

Critical (9.8) in adtran 411 firmware. EPSS 2.7% chance of exploitation in the next 30 days.

A command injection vulnerability in the telnet service of Adtran 411 ONT L80.00.0011.M2 allows attackers to escalate privileges to root and execute arbitrary commands.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 2.7% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-10-31)
CWE: CWE-77
Published: 2025-03-31
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

adtran:411_firmware

References

https://drive.google.com/file/d/1levaZk5aC6g6a2zPW8xlOIVAu9MFYvAz/view
https://lanrat.com/posts/adtran-isp-hacking/
https://www.youtube.com/watch?v=Aic-QaSqjxc
https://drive.google.com/file/d/1levaZk5aC6g6a2zPW8xlOIVAu9MFYvAz/view

Check your stack JSON