Cyber Resilience

CVE-2021-44158

High

Published: 03 January 2022

Published
03 January 2022
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 8.0 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0015 36.0th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-44158 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Asus Rt-Ax56U Firmware. Its CVSS base score is 8.0 (High).

Operationally, ranked at the 36.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

ASUS RT-AX56U Wi-Fi Router is vulnerable to stack-based buffer overflow due to improper validation for httpd parameter length. An authenticated local area network attacker can launch arbitrary code execution to control the system or disrupt service.

CWE(s)
CWE-121CWE-1284

Related Threats

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

Affected Assets

asus
rt-ax56u firmware
3.0.0.4.386.44266

Mitigating Controls

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

References