CVE-2021-31756

An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. A stack buffer overflow vulnerability in /gofrom/setwanType allows attackers to execute arbitrary code on the system via a crafted post request. This occurs when input vector controlled by malicious attack get copied to the stack variable.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 80%
VendorProductVersion
tendaac11_firmware
𝑥
≤ 02.03.01.104_cn
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/Yu3H0/IoT_CVE/tree/main/Tenda/CVE_1
https://github.com/Yu3H0/IoT_CVE/tree/main/Tenda/CVE_1