CVE-2020-20746 — HIGH (7.2)

Vulnerability 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 Score

7.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tendacn	Ac9 Firmware	15.03.06.60_en
Tendacn	Ac9	3.0

Related Weaknesses (CWE)

CWE-787

References

https://cwe.mitre.org/data/definitions/121.htmlTechnical Description
https://github.com/grapefruitvul/vulinfo/blob/master/tenda/vul1.mdExploitThird Party Advisory
https://cwe.mitre.org/data/definitions/121.htmlTechnical Description
https://github.com/grapefruitvul/vulinfo/blob/master/tenda/vul1.mdExploitThird Party Advisory

FAQ

What is CVE-2020-20746?

CVE-2020-20746 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 /gofor...

How severe is CVE-2020-20746?

CVE-2020-20746 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-20746?

Check the references section above for vendor advisories and patch information. Affected products include: Tendacn Ac9 Firmware, Tendacn Ac9.