How severe is CVE-2025-4539?

CVE-2025-4539 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-4539 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-4539?

CVE-2025-4539 affects Todesk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-4539?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-4539 have an EU (EUVD) identifier?

Yes. CVE-2025-4539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14255.

When was CVE-2025-4539 published?

CVE-2025-4539 was published on 2025-05-11 and last updated on 2026-06-17.

CVE-2025-4539

CVE-2025-4539 is a high-severity vulnerability in Todesk with a CVSS 3.x base score of 7.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-427.

Key facts

Severity: High (CVSS 3.x base score 7.0)
CVSS v2: 6.0
CVSS v4: 7.3
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14255
Weakness: CWE-427
Affected product: Todesk
Published: 2025-05-11
Last modified: 2026-06-17

Description

A vulnerability was found in Hainan ToDesk 4.7.6.3. It has been declared as critical. This vulnerability affects unknown code in the library profapi.dll of the component DLL File Parser. The manipulation leads to uncontrolled search path. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-4539?: A vulnerability was found in Hainan ToDesk 4.7.6.3. It has been declared as critical. This vulnerability affects unknown code in the library profapi.dll of the component DLL File Parser. The manipulation leads to uncontrolled search path. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-4539?: CVE-2025-4539 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-4539 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-4539?: CVE-2025-4539 affects Todesk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-4539?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-4539 have an EU (EUVD) identifier?: Yes. CVE-2025-4539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14255.
When was CVE-2025-4539 published?: CVE-2025-4539 was published on 2025-05-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:todesk:todesk:4.7.6.3:*:*:*:-:*:*:*

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