CVE-2021-31755: Tenda AC11 Router Stack Buffer Overflow Vulnerability
Critical · CVSS 9.8 (CVSS 3.1)KEV known exploitedEPSS 86.5%, 100th percentilePublished Updated Assigner: mitre
In CISA’s Known Exploited Vulnerabilities catalog: Tenda AC11 Router Stack Buffer Overflow Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions.
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.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Tenda: AC11 Router
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- github.com/Yu3H0/IoT_CVE/tree/main/Tenda/CVE_3 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)