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CVE-2021-31755

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...

Basic Information

CVE State
PUBLISHED
Reserved Date
April 23, 2021
Published Date
May 07, 2021
Last Updated
July 30, 2025
Vendor
n/a
Product
n/a
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.
Tags
cisa nuclei_scanner

CVSS Scores

CVSS v3.1

9.8 - CRITICAL

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

10.0

Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

SSVC Information

Exploitation
active
Automatable
Yes
Technical Impact
total

Exploit Status

Exploited in the Wild
Yes (2021-11-03 00:00:00 UTC) Source

References

https://github.com/Yu3H0/IoT_CVE/tree/main/Tenda/CVE_3

Known Exploited Vulnerability Information

Source Added Date
CISA 2021-11-03 00:00:00 UTC

Scanner Integrations

Scanner URL Date Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-31755.yaml 2025-04-26 00:00:00 UTC

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Added to KEVIntel

  • Detected by Nuclei