Cyber Resilience

CVE-2025-63458

HighPublic PoC

Published: 31 October 2025

Published
31 October 2025
Modified
05 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 0.0010 28.0th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-63458 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Tenda Ax1803 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 28.0th 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 AX-1803 v1.0.0.1 was discovered to contain a stack overflow via the timeZone parameter in the form_fast_setting_wifi_set 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 application via crafted timeZone parameter enables endpoint denial of service through application exploitation.

Affected Assets

tenda
ax1803 firmware
1.0.0.1

Mitigating Controls

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

References