#VU118798 Insufficient verification of data authenticity in KDE Connect and KDE Connect iOS - CVE-2025-66270

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Main Vulnerability Database Vulnerabilities #VU118798

#VU118798 Insufficient verification of data authenticity in KDE Connect and KDE Connect iOS - CVE-2025-66270

Published: November 27, 2025 / Updated: November 28, 2025


Vulnerability identifier: #VU118798
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-66270
CWE-ID: CWE-345
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
KDE Connect
KDE Connect iOS
Software vendor:
KDE.org

Description

The vulnerability allows a remote attacker to perform a MitM attack.

The vulnerability exists due to the application allows device identifiers to be changed during handshake in core/backends/lan/lanlinkprovider.cpp. A remote attacker can perform MitM attack and gain unauthorized access to the system. 


Remediation

Install updates from vendor's website.

External links