HTTP: Tendar Router AC11 Stack Buffer Overflow

This signature detects attempts to exploit a known vulnerability against Tendar Router AC11. A successful attack can lead to a buffer overflow and arbitrary remote code execution within the context of the server.

Extended Description

An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. A stack buffer overflow vulnerability in /goform/setmac allows attackers to execute arbitrary code on the system via a crafted post request.

References

CVE: CVE-2021-31755

Short Name
HTTP:OVERFLOW:TENDAR-ROUTR-AC11
Severity
Major
Recommended
False
Recommended Action
Drop
Category
HTTP
Keywords
AC11 Buffer CVE-2021-31755 Overflow Router Stack Tendar
Release Date
05/02/2025
Supported Platforms

srx-branch-19.3

vsrx3bsd-19.2

srx-19.4

vsrx3bsd-19.4

srx-branch-19.4

vsrx-19.4

vsrx-19.2

srx-19.3

Sigpack Version
3805
False Positive
Unknown

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