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TI-2026-71010 Aliases CVE-2026-109390GHSA-p2jv-fpmf-jqjw

Heap-based buffer overflow in AnyDesk allows remote code execution

Priority HIGH 82CWE-130Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

AnyDesk from 8.0.0 before 8.0.3 has a heap-based buffer overflow in the stream packet handler for mode 5 of its session protocol, where a payload length value is not validated (CWE-130). An unauthenticated remote attacker can execute arbitrary code, demonstrated on Linux as root without the victim approving desktop control.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0161 76th percentileScored 2026-11-07
Fix Fixed AnyDesk (AnyDesk): 8.0.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AnyDeskAnyDesk8.0.0 to before 8.0.38.0.3Patch availableCNA
  • AnyDesk VendorAnyDesk Affected 8.0.0 to before 8.0.3 Fixed in 8.0.3 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:anydesk:anydesk:*:*:*:*:*:*:*:*——AnyDesk
  • cpe:2.3:a:anydesk:anydesk:*:*:*:*:*:*:*:* Versions — — ·AnyDesk

Remediation

Update AnyDesk to version 8.0.3, which fixes the flaw in the affected range.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA AnyDesk (AnyDesk) Fixed in 8.0.3

Timeline

  1. 2026-10-12 Threatist record created from CVE-2026-109390
  2. 2026-10-12 Alias added: GHSA-p2jv-fpmf-jqjw
  3. 2026-10-13 CISA SSVC decision points changed

References

Other 2

  • TI-2020-10342 AnyDesk before 5.5.3 on Linux and FreeBSD has a format string vulnerability that can be… CVSS 3.1CRITICAL 9.8
  • TI-2025-20641 An issue was discovered in AnyDesk for Windows before 9.0.5, AnyDesk for macOS before… CVSS 3.1HIGH 7.5
  • TI-2025-20640 An issue was discovered in AnyDesk for Windows before 9.0.6 and AnyDesk for Android… CVSS 3.1HIGH 7.5
  • TI-2019-15315 AnyDesk 5.4.0 - Unquoted Service Path CVSS 4.0HIGH 8.5
  • TI-2016-09270 AnyDesk 2.5.0 Unquoted Service Path Elevation of Privilege CVSS 4.0HIGH 8.5
  • TI-2025-24525 AnyDesk 9.0.1 Unquoted Service Path Privilege Escalation Vulnerability CVSS 4.0MEDIUM 6.9
See all 20 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences