The pentest professionals at usd HeroLab examined the PRTG Network Monitor web application as part of web application pentests and identified several vulnerabilities.
Two vulnerabilities relate to cross-site scripting (XSS), which allows attackers to inject JavaScript via manipulated links and read sensitive data or perform administrative actions. The third vulnerability revealed that an error in handling input parameters can also lead to a DoS, which disables important functions.
The vulnerabilities were reported to the vendor as part of the Responsible Disclosure Policy. Detailed information about the advisories can be found here:
| ID | Product | Vulnerability Type |
|---|---|---|
| usd-2025-0039 | PRTG Network Monitor | Cross-Site Scripting (CWE-79) |
| usd-2025-0040 | PRTG Network Monitor | Cross-Site Scripting (CWE-79) |
| usd-2025-0041 | PRTG Network Monitor | Uncontrolled Resource Consumption (CWE-400) |
About usd HeroLab Security Advisories
In order to protect businesses against hackers and criminals, we must ensure that our skills and knowledge are up to date at all times. Therefore, security research is just as important to our work as is building up a security community to promote an exchange of knowledge. After all, more security can only be achieved if many people take on the task.
We analyze attack scenarios, which are changing constantly, and publish a series of Security Advisories on current vulnerabilities and security issues – always in line with our Responsible Disclosure Policy.
Always in the name of our mission: “more security.”
