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Findings

CVE-2018-9276

Paessler PRTG Network Monitor OS Command Injection Vulnerability

Published Jul 2, 2018 · updated Jun 16, 2026 · paessler prtg network monitor

An issue was discovered in PRTG Network Monitor before 18.2.39. An attacker who has access to the PRTG System Administrator web console with administrative privileges can exploit an OS command injection vulnerability (both on the server and on devices) by sending malformed parameters in sensor or notification management scenarios.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 2, 2018 · Catalog

    Detected

    An issue was discovered in PRTG Network Monitor before 18.2.39. An attacker who has access to the PRTG System Administrator web console with administrative privileges can exploit an OS command injection vulnerability (both on the server and on devices) by sending malformed parameters in sensor or notification management scenarios.

  2. Feb 4, 2025 · CISA KEV

    Known exploited

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

  3. Feb 25, 2025 · CISA KEV

    Remediation due

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

  4. Jun 16, 2026 · Catalog

    Updated

    An issue was discovered in PRTG Network Monitor before 18.2.39. An attacker who has access to the PRTG System Administrator web console with administrative privileges can exploit an OS command injection vulnerability (both on the server and on devices) by sending malformed parameters in sensor or notification management scenarios.

Required action

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

CISA due date Feb 25, 2025

Affected

  • cpe paessler/prtg network monitorversion unspecified
  • vendor Paessler PRTG Network Monitorversion unspecified

Sources

  • CISA KEVCVE-2018-9276

    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.

    cisa.gov
  • CVE.orgCVE-2018-9276

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2018-9276

    30-day exploitation probability 87.0%

    first.org
  • Exploit Database46527

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit Modulesexploit_windows/http/prtg_authenticated_rce

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDCVE-2018-9276

    An issue was discovered in PRTG Network Monitor before 18.2.39. An attacker who has access to the PRTG System Administrator web console with administrative privileges can exploit an OS command injection vulnerability (both on the server and on devices) by sending malformed parame

    nvd.nist.gov
  • Packet Storm Securityhttp://packetstormsecurity.com/files/148334/PRTG-Command-Injection.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • Packet Storm Securityhttp://packetstormsecurity.com/files/161183/PRTG-Network-Monitor-Remote-Code-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References