OS Command Injection in TP-Link products - CVE-2023-33538
Published: June 16, 2025 / Updated: June 27, 2025
Vulnerability identifier: #VU111164
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2023-33538
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: TP-Link
Affected software:
TL-WR940N
TL-WR841N
TL-WR740N
TL-WR940N
TL-WR841N
TL-WR740N
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2023-33538
Install updates from vendor's website.