CVE-2025-662704.7MediumCWE-290

CVE-2025-66270: KDE Connect protocol vulnerability

KDE · KDE Connect protocol

Affected: KDE Connect protocol · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.2%probability of exploitation in the next 30 days

11th percentile

050100

Higher than 11% of scored CVEs

4.7MediumCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

KDE · KDE Connect protocol8

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Authentication Bypass by Spoofing · Authentication
Vendor: KDE
Published: December 2025
Band: Unlikely (under 1%), December 2025

CoverageNo articles yet

No CyberSIXT article names CVE-2025-66270 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.