VulnerabilityModified
CVE-2020-20746
A stack-based buffer overflow in the httpd server on Tenda AC9 V15.03.06.60_EN allows remote attackers to execute arbitrary code or cause a denial of service (DoS) via a crafted POST request to /goform/SetStaticRouteCfg.
HIGH 7.2EPSS 2.90%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.90%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A stack-based buffer overflow in the httpd server on Tenda AC9 V15.03.06.60_EN allows remote attackers to execute arbitrary code or cause a denial of service (DoS) via a crafted POST request to /goform/SetStaticRouteCfg.
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.90% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- tendacn/ac9 firmware
- Source
- cve@mitre.org
References
- https://cwe.mitre.org/data/definitions/121.htmlTechnical Description
- https://github.com/grapefruitvul/vulinfo/blob/master/tenda/vul1.mdExploit, Third Party Advisory
- https://cwe.mitre.org/data/definitions/121.htmlTechnical Description
- https://github.com/grapefruitvul/vulinfo/blob/master/tenda/vul1.mdExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.