CVE-2025-22940 — CRITICAL (9.1)

Vulnerability Description

Incorrect access control in Adtran 411 ONT L80.00.0011.M2 allows unauthorized attackers to arbitrarily set the admin password.

CVSS Score

9.1

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

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

Related Weaknesses (CWE)

CWE-284

References

https://drive.google.com/file/d/1levaZk5aC6g6a2zPW8xlOIVAu9MFYvAz/viewExploitThird Party Advisory
https://lanrat.com/posts/adtran-isp-hacking/
https://drive.google.com/file/d/1levaZk5aC6g6a2zPW8xlOIVAu9MFYvAz/viewExploitThird Party Advisory

FAQ

What is CVE-2025-22940?

CVE-2025-22940 is a vulnerability with a CVSS score of 9.1 (CRITICAL). Incorrect access control in Adtran 411 ONT L80.00.0011.M2 allows unauthorized attackers to arbitrarily set the admin password.

How severe is CVE-2025-22940?

CVE-2025-22940 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-22940?

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