What is the CVSS score of CVE-2025-69762?

CVE-2025-69762 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.4%.

Which versions of Ax3 Firmware are affected by CVE-2025-69762?

Organizations using Tenda AX3 firmware v16.03.12.11 face critical risk from CVE-2025-69762, a stack-based buffer overflow vulnerability rated CVSS 9.8.

Is there a public PoC exploit available for CVE-2025-69762?

Yes, a public proof-of-concept exploit is available for CVE-2025-69762. Prioritise patching immediately. EPSS: 0.4%.

How to fix or mitigate CVE-2025-69762?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. If patching is delayed, consider network segmentation to limit exposure.

Ax3 Firmware CVE-2025-69762

CRITICAL

Stack-based Buffer Overflow (CWE-121)

2026-01-21 cve@mitre.org

RCE Stack Overflow Memory Corruption Ax3 Firmware Tenda

9.8

CVSS 3.1 · NVD

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

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Jan 26, 2026 - 20:38 vuln.today

Public exploit code

CVE Published

Jan 21, 2026 - 18:16 nvd

CRITICAL 9.8

DescriptionCVE.org

Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the list parameter, which can cause memory corruption and enable remote code execution.

AnalysisAI

Tenda AX3 firmware v16.03.12.11 has a stack overflow in formSetIptv via the list parameter, enabling remote attackers to crash the router or execute arbitrary code.

Technical ContextAI

The formSetIptv function in Tenda AX3 firmware v16.03.12.11 copies the 'list' parameter to a stack buffer without bounds checking (CWE-121), causing a stack-based buffer overflow that can corrupt the return address.

RemediationAI

Update Tenda AX3 firmware. Restrict management interface access.

CVE-2025-69762 vulnerability details – vuln.today

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Ax3 Firmware CVE-2025-69762

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code