Medium severity6.5NVD Advisory· Published May 24, 2022· Updated Jun 17, 2026
CVE-2021-42659
CVE-2021-42659
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.
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Affected products
4cpe:2.3:o:tenda:ac9_firmware:15.03.05.19\(6318\):*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:tenda:ac9_firmware:15.03.05.19\(6318\):*:*:*:*:*:*:*
- cpe:2.3:o:tenda:ac9_firmware:15.03.06.42_multi:*:*:*:*:*:*:*
- Tenda/routerdescription
Patches
Vulnerability mechanics
References
2- github.com/Lyc-heng/routers/blob/main/routers/stack4.mdnvdExploitThird Party Advisory
- www.cnvd.org.cn/flaw/show/CNVD-2021-24948nvdThird Party Advisory
News mentions
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