CVE-2021-42659
Last modified
CVE-2021-42659 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.81% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tenda | Ac9 Firmware | 15.03.05.19\(6318\) |
| Tenda | Ac9 Firmware | 15.03.06.42_multi |
References
- https://github.com/Lyc-heng/routers/blob/main/routers/stack4.mdExploit, Third Party Advisory
- https://www.cnvd.org.cn/flaw/show/CNVD-2021-24948Third Party Advisory
- https://github.com/Lyc-heng/routers/blob/main/routers/stack4.mdExploit, Third Party Advisory
- https://www.cnvd.org.cn/flaw/show/CNVD-2021-24948Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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