CVE-2025-27917: An issue was discovered in AnyDesk for Windows before 9.0.5, AnyDesk for macOS before 9.0.1, AnyDesk for Linux before…
CVE-2025-27917 · Severity: high · CVSS 7.5 · Published 2025-11-06
An issue was discovered in AnyDesk for Windows before 9.0.5, AnyDesk for macOS before 9.0.1, AnyDesk for Linux before 7.0.0, AnyDesk for iOS before 7.1.2, and AnyDesk for Android before 8.0.0. Remote Denial of Service can occur because of incorrect deserialization that results in failed memory allocation and a NULL pointer dereference.
No. Junglewise Threat Intelligence has no report of CVE-2025-27917 being exploited in the wild.
How severe is CVE-2025-27917?
High severity, with a CVSS score of 7.5, published 6 November 2025.
Which products and versions are affected?
AnyDesk. The advisory does not name versions.
Is there a fix for CVE-2025-27917?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-27917?
Check whether you run AnyDesk. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.