CVE-2025-22939 — CRITICAL (9.8)

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Adtran	411 Firmware	l80.00.0011.m2
Adtran	411	-

Related Weaknesses (CWE)

CWE-77

References

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

FAQ

What is CVE-2025-22939?

CVE-2025-22939 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.

How severe is CVE-2025-22939?

CVE-2025-22939 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-22939?

Check the references section above for vendor advisories and patch information. Affected products include: Adtran 411 Firmware, Adtran 411.