What is CVE-2025-22940?

CVE-2025-22940 is a critical-severity vulnerability in Adtran 411, classified under Improper Access Control. CVSS score: 9.1/10. Published 2025-03-31.

How severe is CVE-2025-22940?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2025-22940 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Adtran 411

CVE-2025-22940

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

EPSS: 0.004 (35.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Adtran 411
Adtran 411_firmware — versions l80.00.0011.m2
N/a — versions n/a

Weakness classification (CWE)

CWE-284 — Improper Access Control

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org

Frequently asked questions

What is CVE-2025-22940?: CVE-2025-22940 is a critical-severity vulnerability in Adtran 411, classified under Improper Access Control. CVSS score: 9.1/10. Published 2025-03-31.
How severe is CVE-2025-22940?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2025-22940 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.