CVE-2025-66270

4.7 MEDIUM 0.2% exploit odds Fix listed Other OS & kernel

What it is

The KDE Connect protocol 8 before 2025-11-28 does not correlate device IDs across two packets. This affects KDE Connect before 25.12 on desktop, KDE Connect before 0.5.4 on iOS, KDE Connect before 1.34.4 on Android, GSConnect before 68, and Valent before 1.0.0.alpha.49.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. Limited direct impact.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2025-12-05 06:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-18 15:10 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.2% in the next 30 days (EPSS).
Severity: 4.7 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2025-12-05 06:16 UTC
Last modified: 2026-10-18 15:10 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-290
Record status: Deferred

Attack profile CVSS 3.1 · 4.7

Attack vector: Adjacent network
Complexity: High
Privileges needed: None
User interaction: None
Scope: Changed
Confidentiality: Low
Integrity: Low
Availability: None

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2025-66270.md and follow it. Check whether this project is affected by CVE-2025-66270. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record