Use of insufficiently random values in TL-WR940N - CVE-2022-43636
Published: November 24, 2022
Vulnerability identifier: #VU69569
CSH Severity: Medium
CVSS v4: 7.7 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-43636
CWE-ID: CWE-330
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to the lack of sufficient randomness in the sequnce numbers used for session managment within the httpd service. A remote attacker on the local network can bypass authentication process and gain unauthorized access to the application.
Affected software
TL-WR940N
How to mitigate CVE-2022-43636
Install updates from vendor's website.
TL-WR940N - update to 6_3.20.1 Build 220801