CVE-2021-31756

CWE-787 — Out-of-bounds Write3 documents3 sources
Severity
9.8CRITICAL
EPSS
1.5%
top 18.80%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Tenda Ac11 Firmware
Timeline
PublishedMay 7
Latest updateMay 24

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages1 packages

▶NVDtenda/ac11_firmware02.03.01.104_cn

🔴Vulnerability Details

2
GHSA
GHSA-cm66-w4c7-wx9w: An issue was discovered on Tenda AC11 devices with firmware through 02↗2022-05-24
▶
CVEList
CVE-2021-31756: An issue was discovered on Tenda AC11 devices with firmware through 02↗2021-05-07
▶
CVE-2021-31756 (CRITICAL CVSS 9.8) | An issue was discovered on Tenda AC | cvebase.io