When Backups Backfire: QNAP’s NetBak PC Agent Faces High-Risk Vulnerability!
QNAP Systems warns that its NetBak PC Agent could be affected by a “highest ever” CVSS score vulnerability in ASP.NET Core. Tracked as CVE-2025-55315, this bug might allow attackers to access backup data. QNAP advises users to patch the framework immediately to keep the comedy of errors strictly within sitcoms, not servers.
Hot Take:
Looks like QNAP’s NetBak PC Agent might need a superhero cape because it’s got a vulnerability with a CVSS score so high, it’s eligible for a Guinness World Record. Who knew HTTP request smuggling defects could be so prestigious? Someone call the ASP.NET Core Avengers; we’ve got a bug that means serious business!
Key Points:
- QNAP Systems’ NetBak PC Agent is affected by a severe ASP.NET Core vulnerability.
- The vulnerability, CVE-2025-55315, has a CVSS score of 9.9, the highest ever for ASP.NET Core.
- Potential exploits include credential hijacking, bypassing security controls, and server crashes.
- Microsoft patched the vulnerability in October 2025, urging immediate updates.
- QNAP advises users to patch their systems to prevent potential data breaches.
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