CVE-2021-40556

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Summary

CVECVE-2021-40556
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-10-06 18:15:00 UTC
Updated2022-10-07 17:39:00 UTC
DescriptionA stack overflow vulnerability exists in the httpd service in ASUS RT-AX56U Router Version 3.0.0.4.386.44266. This vulnerability is caused by the strcat function called by "caupload" input handle function allowing the user to enter 0xFFFF bytes into the stack. This vulnerability allows an attacker to execute commands remotely. The vulnerability requires authentication.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Asus Rt-ax56u - All All All
Operating System Asus Rt-ax56u Firmware 3.0.0.4.386.44266 All All All

References

ReferenceSourceLinkTags
RT-AX56U｜無線路由器｜ASUS 台灣 CONFIRM www.asus.com
ASUS栈溢出漏洞分析 - X1ng's Blog MISC x1ng.top
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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