SB2022112409 - Multiple vulnerabilities in TP-Link TL-WR940N

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2022112409

SB2022112409 - Multiple vulnerabilities in TP-Link TL-WR940N

Published: November 24, 2022

Security Bulletin ID SB2022112409
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Use of insufficiently random values (CVE-ID: CVE-2022-43636)

CWE-ID: CWE-330 - Use of Insufficiently Random Values

CVSSv4: 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


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.


2) Incorrect Implementation of Authentication Algorithm (CVE-ID: CVE-2022-43635)

CWE-ID: CWE-303 - Incorrect Implementation of Authentication Algorithm

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the incorrect implementation of the authentication algorithm within the httpd service. A remote attacker on the local network can gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.

References