SB2021121007 - Remote code execution in TP-Link TL-WR840N EU V5
Published: December 10, 2021 Updated: August 3, 2023
Security Bulletin ID
SB2021121007
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2021-41653)
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input in the PING function. A remote authenticated attacker can pass specially crafted input to the application and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.