Cyber Resilience

CVE-2025-55852

HighPublic PoC

Published: 03 September 2025

Published
03 September 2025
Modified
08 September 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 0.0013 32.0th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-55852 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Tenda Ac8 Firmware. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 32.0th 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 AC8 v16.03.34.06 is vulnerable to Buffer Overflow in the formWifiBasicSet function via the parameter security or security_5g.

CWE(s)
CWE-121

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.
attack.mitre.org →
Why these techniques?

Buffer overflow in web formWifiBasicSet function enables remote code execution via exploitation of a public-facing router web application.

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