All vulnerabilities
CVE-2021-31755

Tenda AC11 Router Stack Buffer Overflow Vulnerability

Tenda AC11 RouterNetwork & edge
Open in ThreatlineRecord JSON
CVSS
9.8Critical
ExploitationExploited in the wildAdded to KEV 3 Nov 2021CISA KEV
Exploit odds (EPSS)86.5%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Federal deadline17 Nov 2021Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version.

Timeline

  1. 7 May 2021, 22:01 UTCPublishedCVE List
  2. 3 Nov 2021Added to CISA KEVCISA KEV

Public exploit code and templates 1

  • Scanner templateTenda Router AC11 - Remote Command InjectionNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Tenda AC11 devices contain a stack buffer overflow vulnerability in /goform/setmac which allows attackers to execute code via a crafted post request.

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 3