Description
AnyDesk before 8.0.3 allows unauthenticated remote attackers to execute arbitrary code via a heap-based buffer overflow, as demonstrated on Linux for command execution as root without the victim approving desktop control. In the stream packet handler for mode 5 in the session protocol, a payload length value is not validated.
Published: 2026-10-12
Score: 9.8 Critical
EPSS: n/a
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 12 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
Title Unauthenticated Remote Code Execution via Heap-based Buffer Overflow in AnyDesk on Linux

Mon, 12 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 12 Oct 2026 15:00:00 +0000

Type Values Removed Values Added
Description AnyDesk before 8.0.3 allows unauthenticated remote attackers to execute arbitrary code via a heap-based buffer overflow, as demonstrated on Linux for command execution as root without the victim approving desktop control. In the stream packet handler for mode 5 in the session protocol, a payload length value is not validated.
First Time appeared Anydesk
Anydesk anydesk
Weaknesses CWE-130
CPEs cpe:2.3:a:anydesk:anydesk:*:*:*:*:*:*:*:*
Vendors & Products Anydesk
Anydesk anydesk
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-10-12T15:02:33.284Z

Reserved: 2026-10-12T14:40:09.358Z

Link: CVE-2026-109390

cve-icon Vulnrichment

Updated: 2026-10-12T15:02:22.817Z

cve-icon NVD

Status : Received

Published: 2026-10-12T15:17:07.980

Modified: 2026-10-12T15:17:07.980

Link: CVE-2026-109390

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-12T17:30:14Z

Weaknesses
  • CWE-130

    Improper Handling of Length Parameter Inconsistency