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

Quick assessment

Affected
DeskTime DeskTime Time Tracking App
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

DeskTime Time Tracking App是DeskTime公司的一个员工时间跟踪与效率分析工具。 DeskTime Time Tracking App 1.3.674之前版本存在信任管理问题漏洞，该漏洞源于TLS证书验证不当，可能导致攻击者返回恶意可执行文件，实现用户级远程代码执行。

AI Predicted 5.9 Difficulty: Hard EPSS 0.18% · P8

Affected Version Matrix 1

VendorProduct Version RangeStatus
DeskTime DeskTime Time Tracking App < 1.3.674 affected
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I. Basic Information for CVE-2025-10539

Vulnerability Information
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Vulnerability Title
Improper TLS Certificate Validation RCE via Malicious Update in DeskTime Time Tracking App
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
DeskTime Time Tracking App 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DeskTime Time Tracking App是DeskTime公司的一个员工时间跟踪与效率分析工具。 DeskTime Time Tracking App 1.3.674之前版本存在信任管理问题漏洞，该漏洞源于TLS证书验证不当，可能导致攻击者返回恶意可执行文件，实现用户级远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
DeskTime DeskTime Time Tracking App 0 ~ 1.3.674 -

II. Public POCs for CVE-2025-10539

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III. Intelligence Information for CVE-2025-10539

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Vendor Advisories for CVE-2025-10539 (1)

Vendor Pages for CVE-2025-10539 (1)

IV. Related Vulnerabilities

Same weakness: CWE-295