#VU69569 Use of insufficiently random values in TL-WR940N - CVE-2022-43636
Published: November 24, 2022
Vulnerability identifier: #VU69569
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2022-43636
CWE-ID: CWE-330
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
TL-WR940N
TL-WR940N
Software vendor:
TP-Link
TP-Link
Description
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.
Remediation
Install updates from vendor's website.