CVE-2022-26639: Buffer Overflow
Published Mar 28, 2022
·Updated
TP-LINK TL-WR840N(ES)V6.20 was discovered to contain a buffer overflow via the DNSServers parameter.
Affected Software
2 affected components
TP-Link Tl-wr840n Firmware=0.9.1.4.16
TP-Link TL-WR840N=6.20
Event History
Mar 28, 2022
CVE Published
via MITRE·10:42 PM
Data Sourced
via MITRE·10:42 PM
Description
Frequently Asked Questions
1
What is the vulnerability with CVE-2022-26639?
CVE-2022-26639 is a buffer overflow vulnerability in TP-LINK TL-WR840N(ES)_V6.20 router's DNSServers parameter.
2
How severe is CVE-2022-26639?
CVE-2022-26639 has a severity rating of 7.2 (high).
3
What is the affected software version of CVE-2022-26639?
The affected software version of CVE-2022-26639 is TP-LINK TL-WR840N(ES)_V6.20.
4
How can I fix CVE-2022-26639?
To fix CVE-2022-26639, update the firmware of TP-LINK TL-WR840N router to a non-vulnerable version.
5
Where can I find more information about CVE-2022-26639?
More information about CVE-2022-26639 can be found at the reference link: [reference](https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/tp-link%20tl-wr840n_DNSServers%3D.pdf)