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411 Firmware CVE-2025-22938

CRITICAL
Use of Default Password (CWE-1393)
2025-03-31 cve@mitre.org
Information Disclosure 411 Firmware
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 18:34 vuln.today
PoC Detected
Aug 18, 2025 - 17:15 vuln.today
Public exploit code
CVE Published
Mar 31, 2025 - 15:15 nvd
CRITICAL 9.8

DescriptionCVE.org

Adtran 411 ONT L80.00.0011.M2 was discovered to contain weak default passwords.

AnalysisAI

Adtran 411 ONT L80.00.0011.M2 was discovered to contain weak default passwords. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-1393. Adtran 411 ONT L80.00.0011.M2 was discovered to contain weak default passwords. Affected products include: Adtran 411 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2025-22938 vulnerability details – vuln.today
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