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Unrated severityNVD Advisory· Published Oct 6, 2022· Updated Aug 4, 2024

CVE-2021-40556

CVE-2021-40556

Description

A 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.

AI Insight

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Affected products

2
  • ASUS/RT-AX56U Routerdescription
  • Asus/RT-AX56U V2llm-fuzzy
    Range: = 3.0.0.4.386.44266

Patches

Vulnerability mechanics

References

2

News mentions

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