Uncontrolled Search Path Vulnerability in Hainan ToDesk Product
CVE-2025-4539

7.3HIGH

Key Information:

Vendor

Hainan

Status
Todesk
Vendor
CVE Published:
11 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-4539?

A vulnerability has been identified in Hainan ToDesk version 4.7.6.3, specifically within the profapi.dll component of the DLL File Parser. This flaw allows for an uncontrolled search path, potentially enabling an attacker to execute malicious code on the local host. The attack complexity is relatively high, but the exploit has been publicly disclosed, raising concerns about the potential for exploitation. The vendor was notified about the vulnerability; however, they have not provided a response to the disclosure.

Affected Version(s)

ToDesk 4.7.6.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-4539 - Proof of Concept

References

https://vuldb.com/?id.308284
vdb-entry
https://vuldb.com/?ctiid.308284
signaturepermissions-required
https://vuldb.com/?submit.566698
third-party-advisory

CVSS V4

Score:
7.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ba1_Ma0 (VulDB User)
.