Hazard

Is CVE-2018-9276 being exploited?

Weaponised and widely attempted

Reliable public exploit code exists, or mass exploitation attempts are probable. Patch inside days, not weeks.

Paessler PRTG Network Monitor OS Command Injection Vulnerability

Paessler · PRTG Network Monitor

CVSS 7.2 EPSS 87% 1 public exploit Fix deadline passed 25 February 2025

What it is

Paessler PRTG Network Monitor contains an OS command injection vulnerability that allows an attacker with administrative privileges to execute commands via the PRTG System Administrator web console.

Why we say that

  • EPSS puts exploitation in the next 30 days at 87%
  • 1 public exploit published
  • CISA's federal remediation deadline (2025-02-25) has passed
  • Listed in the CISA Known Exploited Vulnerabilities catalogue

Every line above comes from a named public source. Where the evidence is thin, we say so rather than inventing confidence — see methodology.

What to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Public exploit code

Indexed from Exploit-DB. Presence of code raises urgency; absence does not mean safety.

What it costs when this goes wrong

This is where UK enforcement meets the vulnerability record. Where an unfixed vulnerability leads to a breach, the ICO treats it as a security failure under UK GDPR. Recent cases:

All UK cases caused by unpatched software →