What is the CVSS score of CVE-2025-65804?

CVE-2025-65804 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.1%.

Which versions of Ax3 Firmware are affected by CVE-2025-65804?

Organizations using Tenda AX3 v16.03.12.11 should be aware of notable risk from CVE-2025-65804, a stack-based buffer overflow vulnerability rated CVSS 6.5.

Is there a public PoC exploit available for CVE-2025-65804?

Yes, a public proof-of-concept exploit is available for CVE-2025-65804. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-65804?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Ax3 Firmware CVE-2025-65804

EUVD-2025-201799 MEDIUM

Stack-based Buffer Overflow (CWE-121)

2025-12-08 cve@mitre.org

Buffer Overflow RCE Stack Overflow Ax3 Firmware Tenda

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

EUVD ID Assigned

Mar 15, 2026 - 17:54 euvd

EUVD-2025-201799

Analysis Generated

Mar 15, 2026 - 17:54 vuln.today

PoC Detected

Dec 11, 2025 - 00:03 vuln.today

Public exploit code

CVE Published

Dec 08, 2025 - 18:15 nvd

MEDIUM 6.5

DescriptionCVE.org

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

Analysis

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

Technical ContextAI

A buffer overflow occurs when data written to a buffer exceeds its allocated size, potentially overwriting adjacent memory and corrupting program state. This vulnerability is classified as Stack-based Buffer Overflow (CWE-121).

RemediationAI

Use memory-safe languages or bounds-checked functions. Enable ASLR, DEP/NX, and stack canaries. Apply vendor patches promptly.

CVE-2025-65804 vulnerability details – vuln.today

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Ax3 Firmware CVE-2025-65804

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

Analysis

Technical ContextAI

RemediationAI

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External POC / Exploit Code