CRITICAL

CVE-2021-31758

CVSS v3

9.8

CRITICAL

EPSS Score

40.1%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

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

Technical details

Published
5/7/2021

Frequently asked questions

What is CVE-2021-31758?

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

Is CVE-2021-31758 actively exploited?

Active exploitation of CVE-2021-31758 has not been confirmed. The EPSS score is 40.1%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-31758?

CVE-2021-31758 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-31758 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.