CVE-2021-42659

MEDIUM

Tenda Ac9 Firmware - Memory Corruption

Title source: rule
STIX 2.1

Description

There is a buffer overflow vulnerability in the Web server httpd of the router in Tenda router devices such as Tenda AC9 V1.0 V15.03.02.19(6318) and Tenda AC9 V3.0 V15.03.06.42_multi. When setting the virtual service, the httpd program will crash and exit when the super-long list parameter occurs.

References (2)

Core 2
Core References
Third Party Advisory x_refsource_misc
https://www.cnvd.org.cn/flaw/show/CNVD-2021-24948

Scores

CVSS v3 6.5
EPSS 0.0021
EPSS Percentile 42.4%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-119
Status published
Products (2)
tenda/ac9_firmware 15.03.05.19\(6318\)
tenda/ac9_firmware 15.03.06.42_multi
Published May 24, 2022
Tracked Since Feb 18, 2026