Cyber Resilience

CVE-2024-4496

High

Published: 05 May 2024

Published
05 May 2024
Modified
27 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 0.0021 43.0th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-4496 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Tenda I21 Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked at the 43.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A vulnerability was found in Tenda i21 1.0.0.14(4656). It has been classified as critical. This affects the function formWifiMacFilterSet. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit…

more

has been disclosed to the public and may be used. The identifier VDB-263085 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

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

Affected Assets

tenda
i21 firmware
1.0.0.14\(4656\)

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