Integer overflow in Anydesk
CVE-2025-27918
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. It has an integer overflow and resultant heap-based buffer overflow via a UDP packet during processing of an Identity user image within the Discovery feature, or when establishing a connection between any two clients.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (40.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
References
- anydesk.com/en/changelog/windows (Release Notes)
- dspace.cvut.cz/bitstream/handle/10467/122721/F8-DP-2025-Krejsa-Vojtech-DP_Krejs… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-27918?
- CVE-2025-27918 is a critical-severity vulnerability in Anydesk, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2025-11-06.
- How severe is CVE-2025-27918?
- Critical severity. CVSS v3 base score is 9.8 out of 10.