CVE-2021-42659

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 43%
VendorProductVersion
tendaac9_firmware
15.03.05.19\(6318\)
tendaac9_firmware
15.03.06.42_multi:_multi
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/Lyc-heng/routers/blob/main/routers/stack4.md
https://www.cnvd.org.cn/flaw/show/CNVD-2021-24948
https://github.com/Lyc-heng/routers/blob/main/routers/stack4.md
https://www.cnvd.org.cn/flaw/show/CNVD-2021-24948