PT-2026-2921 · Paessler · Prtg Network Monitor

Published 2026-01-14 · Updated 2026-01-15 · CVE-2025-67833

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Paessler PRTG Network Monitor versions prior to 25.4.114

Description A Cross-Site Scripting (XSS) issue exists in Paessler PRTG Network Monitor. An unauthenticated attacker can exploit this issue via the tag parameter.

Recommendations Update Paessler PRTG Network Monitor to version 25.4.114 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-67833

Affected Products

Prtg Network Monitor

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2025-67833 · Security Note
• https://osv.dev/vulnerability/CVE-2025-67833 · Vendor Advisory
• https://helpdesk.paessler.com/en/support/solutions/articles/76000087289-vulnerabilities-in-prtg-prior-v25-4-114-1032 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/2011674717254455571 · Twitter Post
• https://paessler.com · Note
• https://twitter.com/CVEnew/status/2011759601868267953 · Twitter Post