CVE-2025-27918: AnyDesk · Integer Overflow
Source GCVE Database
Not known to be exploited · CVSS 9.8 Critical · fixed in 9.0.0 : patch AnyDesk as a priority.
Data as of 4 Nov 2026, 18:48 UTC
- Affects
- AnyDesk before 9.0.0
- Patch
- Available – fixed in 9.0.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 6 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 4 Nov 2026.
What to do
AI-suggested
Users should upgrade AnyDesk to version 9.0.0 or later, where this vulnerability is fixed. Until patched, avoid exposing AnyDesk services to untrusted networks to reduce risk.
Description
A critical vulnerability (CVE-2025-27918) exists in AnyDesk versions before 9.0.0. It involves an integer overflow leading to a heap-based buffer overflow triggered by specially crafted UDP packets during processing of an Identity user image in the Discovery feature or when establishing connections between clients.