VulnerabilityModified
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.
MEDIUM 6.5EPSS 0.81%
Does this matter?
Lower severity and a low EPSS score (0.81%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.81% probability · 55th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- tenda/ac9 firmware
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.