Cyber Resilience

CVE-2024-4126

HighPublic PoC

Published: 24 April 2024

Published
24 April 2024
Modified
15 January 2025
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0043 63.0th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-4126 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Tenda W15E Firmware. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 37.0% 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

A vulnerability was found in Tenda W15E 15.11.0.14 and classified as critical. This issue affects the function formSetSysTime of the file /goform/SetSysTimeCfg. The manipulation of the argument manualTime leads to stack-based buffer overflow. The attack may be initiated remotely. The…

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exploit has been disclosed to the public and may be used. The identifier VDB-261869 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

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 stack-based buffer overflow in the Tenda W15E router's web management interface (/goform/SetSysTimeCfg formSetSysTime) via the manualTime parameter enables remote, unauthenticated exploitation of a public-facing application for potential remote code execution.

Affected Assets

tenda
w15e firmware
15.11.0.14

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References