How severe is CVE-2025-27918?

CVE-2025-27918 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-27918 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27918?

CVE-2025-27918 affects Anydesk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27918?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-27918 have an EU (EUVD) identifier?

Yes. CVE-2025-27918 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-38150.

When was CVE-2025-27918 published?

CVE-2025-27918 was published on 2025-11-06 and last updated on 2026-06-17.

CVE-2025-27918

CVE-2025-27918 is a critical-severity vulnerability in Anydesk with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-38150
Weakness: CWE-190
Affected product: Anydesk
Published: 2025-11-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-27918?: 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.
How severe is CVE-2025-27918?: CVE-2025-27918 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-27918 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27918?: CVE-2025-27918 affects Anydesk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27918?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-27918 have an EU (EUVD) identifier?: Yes. CVE-2025-27918 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-38150.
When was CVE-2025-27918 published?: CVE-2025-27918 was published on 2025-11-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:anydesk:anydesk:*:*:*:*:*:windows:*:*

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