CVE-2018-9276An issue was discovered in PRTG Network Monitor before 18.2.39.
Updated under an hour ago ()
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It affects paessler prtg_network_monitor. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Feb 4, 2025; federal agencies had to remediate by Feb 25, 2025. Treat that date as your deadline.
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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.
- CVSS
- 7.2 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Added to CISA KEV Feb 4, 2025; federal remediation due Feb 25, 2025Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 87.00% (percentile 100)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
paessler prtg_network_monitor paessler:prtg_network_monitor | before 18.2.39; after 19.3.52 before 21.2.68 | NVD |
References
- http://packetstormsecurity.com/files/148334/PRTG-Command-Injection.htmlx-refsource-misc, exploit, mitigation, third-party-advisory, vdb-entry
- https://www.exploit-db.com/exploits/46527/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- http://www.securityfocus.com/archive/1/542103/100/0/threadedmailing-list, x-refsource-bugtraq, broken-link, third-party-advisory, vdb-entry
- http://packetstormsecurity.com/files/161183/PRTG-Network-Monitor-Remote-Code-Execution.htmlx-refsource-misc, exploit, third-party-advisory, vdb-entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-9276us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.