OS Command Injection in PRTG Network Monitor - CVE-2018-9276
Published: February 5, 2025 / Updated: March 2, 2026
Vulnerability identifier: #VU103629
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:
CVE-ID: CVE-2018-9276
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Paessler AG
Affected software:
PRTG Network Monitor
PRTG Network Monitor
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation. A remote authenticated user 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-2018-9276
Install updates from vendor's website.