What is the CVSS score of CVE-2025-63147?

CVE-2025-63147 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/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-2025-63147?

Organizations using Tenda AX3 V16.03.12.10_CN face notable risk from CVE-2025-63147, a out-of-bounds write vulnerability rated CVSS 7.5.

Is there a public PoC exploit available for CVE-2025-63147?

Yes, a public proof-of-concept exploit is available for CVE-2025-63147. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-63147?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. If patching is delayed, consider network segmentation to limit exposure.

Ax3 Firmware CVE-2025-63147

HIGH

Out-of-bounds Write (CWE-787)

2025-11-10 cve@mitre.org

Memory Corruption Tenda Denial Of Service Buffer Overflow Ax3 Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:21 vuln.today

PoC Detected

Nov 18, 2025 - 17:16 vuln.today

Public exploit code

CVE Published

Nov 10, 2025 - 17:15 nvd

HIGH 7.5

DescriptionCVE.org

Tenda AX3 V16.03.12.10_CN was discovered to contain a stack overflow in the deviceId parameter of the saveParentControlInfo function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

AnalysisAI

Tenda AX3 V16.03.12.10_CN was discovered to contain a stack overflow in the deviceId parameter of the saveParentControlInfo function. Rated high severity (CVSS 7.5), 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 as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Tenda AX3 V16.03.12.10_CN was discovered to contain a stack overflow in the deviceId parameter of the saveParentControlInfo function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request. Affected products include: Tenda Ax3 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).