Cyber Resilience

CVE-2025-63149

HighPublic PoC

Published: 10 November 2025

Published
10 November 2025
Modified
17 November 2025
KEV Added
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Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0011 28.9th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-63149 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Tenda Ax3 Firmware. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked at the 28.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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

CWE(s)
CWE-121

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
attack.mitre.org →
Why these techniques?

The stack overflow in the router's web function allows remote attackers to crash the application with a crafted request, enabling endpoint denial of service via application exploitation.

Affected Assets

tenda
ax3 firmware
16.03.12.10

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References