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Vulnerability record · CVE-2025-27918 · published 6 November 2025

CVE-2025-27918: Anydesk integer overflow vulnerability

Anydesk · Anydesk

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.

9.8 CVSS 3.1 Critical EPSS 0.50% · top 59.9% CWE-190 · Integer overflow
9.8CVSS 3.1 base score
0.50%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://anydesk.com/en/changelog/windows Release Notes
https://dspace.cvut.cz/bitstream/handle/10467/122721/F8-DP-2025-Krejsa-Vojtech-DP_Krejsa_Vojtech_2025.pdf ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-13160AnyDesk Linux and FreeBSD format string remote code executionAnyDesk before 5.5.3 on Linux and FreeBSD contains a format string vulnerability (CWE-134) that can be exploited for remote code execution. The flaw …EPSS 81%analysed9.8CVE-2017-14397Anydesk injection vulnerabilityAnyDesk before 3.6.1 on Windows has a DLL injection vulnerability.EPSS 1.5%8.8CVE-2021-44426Anydesk unrestricted file upload vulnerabilityAn issue was discovered in AnyDesk before 6.2.6 and 6.3.x before 6.3.5. An upload of an arbitrary file to a victim's local ~/Downloads/ directory is …EPSS 1.2%8.5CVE-2016-20094Anydesk unquoted search path vulnerabilityAnyDesk 2.5.0 contains an unquoted service path vulnerability that allows local users to execute arbitrary code with SYSTEM privileges by exploiting …EPSS 0.20%8.5CVE-2019-25261Anydesk unquoted search path vulnerabilityAnyDesk 5.4.0 contains an unquoted service path vulnerability in its Windows service configuration that allows local attackers to potentially inject …EPSS 0.17%8.2CVE-2025-27919Anydesk improper access control vulnerabilityAn issue was discovered in AnyDesk through 9.0.4. A remotely connected user with the "Control my device" permission can manipulate remote AnyDesk set…EPSS 0.30%7.8CVE-2021-40854Anydesk improper privilege management vulnerabilityAnyDesk before 6.2.6 and 6.3.x before 6.3.3 allows a local user to obtain administrator privileges by using the Open Chat Log feature to launch a pri…EPSS 0.20%7.8CVE-2020-35483Anydesk uncontrolled search path element vulnerabilityAnyDesk before 6.1.0 on Windows, when run in portable mode on a system where the attacker has write access to the application directory, allows this …EPSS 0.47%

Source: NIST National Vulnerability Database (record CVE-2025-27918), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.