Cyber Resilience

CVE-2025-51089

MediumPublic PoC

Published: 24 July 2025

Published
24 July 2025
Modified
28 July 2025
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
EPSS Score 0.0065 71.4th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-51089 is a medium-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Tenda Ac8 Firmware. Its CVSS base score is 6.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 28.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Tenda AC8V4 V16.03.34.06` was discovered to contain heap overflow at /goform/GetParentControlInfo.The manipulation of the argument `mac` leads to heap-based buffer overflow.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

The heap buffer overflow vulnerability in the Tenda AC8V4 router's web management interface (/goform/GetParentControlInfo) via the 'mac' parameter enables remote exploitation of a public-facing application, potentially leading to remote code execution.

Affected Assets

tenda
ac8 firmware
16.03.34.06

Mitigating Controls

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

References