CVE-2025-27918
CRITICALAnyDesk < 9.0.0 - Heap-Based Buffer Overflow via UDP Discovery Packet
Title source: llmDescription
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.
References (2)
Core 2
Core References
Release Notes
https://anydesk.com/en/changelog/windows
Exploit, Third Party Advisory
https://dspace.cvut.cz/bitstream/handle/10467/122721/F8-DP-2025-Krejsa-Vojtech-DP_Krejsa_Vojtech_2025.pdf
Scores
CVSS v3
9.8
EPSS
0.0043
EPSS Percentile
34.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-190
Status
published
Products (1)
anydesk/anydesk
< 9.0.0
Published
Nov 06, 2025
Tracked Since
Feb 18, 2026