CVE Tools
Home/Vulnerability/CVE-2025-10539

CVE-2025-10539

Improper TLS Certificate Validation RCE via Malicious Update in DeskTime Time Tracking App

Published: Apr 28, 2026Updated: Apr 28, 2026 Sources: CVE List NVD
NVD MITRE
4.8CVSS
MEDIUM

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.

EPSS Score
0.0%
Top 96.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None

Weaknesses

CWE-295CWE-296CWE-494

Affected Products

DeskTime Time Tracking App
DeskTime

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Initial Access
View detailed technique mapping

References

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

Timeline

Published
Apr 28, 2026
Last Updated
Apr 28, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2025-10539 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
AI-powered analysis
Plain-language impact assessment and exploitation scenario
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows