CVE-2021-42659

Published: May 24, 2022Modified: Nov 21, 2024

6.5

Vector

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

Exploitability: 2.8 / Impact: 3.6

Source: NVD

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.

Affected (2)

Products: Tenda: Ac9 Firmware

1 product

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Tenda Ac9 Firmware	Version 15.03.05.19(6318)

Running on/with	Platform Versions
Tenda Ac9	Version 1.0

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Tenda Ac9 Firmware	Version 15.03.06.42_multi

Running on/with	Platform Versions
Tenda Ac9	Version 3.0

Related CWEs

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (4)

https://github.com/Lyc-heng/routers/blob/main/routers/stack4.md

Source: cve@mitre.org

ExploitThird Party Advisory

https://www.cnvd.org.cn/flaw/show/CNVD-2021-24948

Source: cve@mitre.org

Third Party Advisory

https://github.com/Lyc-heng/routers/blob/main/routers/stack4.md

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

https://www.cnvd.org.cn/flaw/show/CNVD-2021-24948

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.