CVE-2020-13391: Buffer Overflow
An issue was discovered on Tenda AC6 V1.0 V15.03.05.19multiTD01, AC9 V1.0 V15.03.05.19(6318)CN, AC9 V3.0 V15.03.06.42multi, AC15 V1.0 V15.03.05.19multiTD01, and AC18 V15.03.05.19(6318)CN devices. There is a buffer overflow vulnerability in the router's web server -- httpd. While processing the /goform/SetSpeedWan speeddir parameter for a POST request, a value is directly used in a sprintf to a local variable placed on the stack, which overwrites the return address of a function. An attacker can construct a payload to carry out arbitrary code execution attacks.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2020-13391?
CVE-2020-13391 is a buffer overflow vulnerability in the web server of Tenda AC6, AC9, AC15, and AC18 devices.
What is the severity of CVE-2020-13391?
CVE-2020-13391 has a severity rating of 9.8, which is considered critical.
Which Tenda devices are affected by CVE-2020-13391?
Tenda AC6, AC9, AC15, and AC18 devices are affected by CVE-2020-13391.
How can I fix CVE-2020-13391?
There is currently no official fix available for CVE-2020-13391. It is recommended to stay updated with the vendor's security advisories for any patches or mitigation techniques.
Where can I find more information about CVE-2020-13391?
You can find more information about CVE-2020-13391 on the official CVE website and the following reference links: [link1], [link2].