CVE-2025-10539 — Improper TLS Certificate Validation RCE via Malicious Update in DeskTime Time Tracking App

Description (CNA)

Due to improper TLS certificate validation in the DeskTime Time Tracking App before version 1.3.674, attackers who can position themselves in the network path between the client and the DeskTime update servers can return a malicious executable in response to an update request. This allows the attacker to achieve user-level remote code execution on the affected client.

Affected (CNA)

Vendor / product	Versions
DeskTime / DeskTime Time Tracking App	affected 0 before 1.3.674

CWE

CWE-295, CWE-296, CWE-494

References

https://r.sec-consult.com/desktime
https://desktime.com/download

ADP enrichment

CISA-ADP

No English description supplied.

https://sec-consult.com/vulnerability-lab/advisory/missing-tls-certificate-validation-leading-to-rce-in-desktime-time-tracking-app/

CVE

No English description supplied.

http://seclists.org/fulldisclosure/2026/Apr/20
http://seclists.org/fulldisclosure/2026/Apr/21