Cyber Resilience

CVE-2024-4121

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 0.0014 33.3th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-4121 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Tenda W15E Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked at the 33.3th 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

A vulnerability classified as critical has been found in Tenda W15E 15.11.0.14. Affected is the function formQOSRuleDel. The manipulation of the argument qosIndex leads to stack-based buffer overflow. It is possible to launch the attack remotely. The identifier of this…

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vulnerability is VDB-261864. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

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