#VU58820 Input validation error in TL-WR840N EU v5 - CVE-2021-41653

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Main Vulnerability Database Vulnerabilities #VU58820

#VU58820 Input validation error in TL-WR840N EU v5 - CVE-2021-41653

Published: December 10, 2021 / Updated: August 3, 2023


Vulnerability identifier: #VU58820
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2021-41653
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
TL-WR840N EU v5
Software vendor:
TP-Link

Description

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 updates from vendor's website.

External links