Cyber Resilience

CVE-2025-57063

HighPublic PoC

Published: 09 September 2025

Published
09 September 2025
Modified
15 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 0.0014 33.8th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-57063 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Tenda G3 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 33.8th 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 G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the portMappingIndex parameter in the formDelPortMapping 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 vulnerability in the formDelPortMapping function enables exploitation of an application vulnerability to cause endpoint denial of service by crashing the device with a crafted request.

Affected Assets

tenda
g3 firmware
≤ 15.11.0.17\(9502\)

Mitigating Controls

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

References