CVE-2025-3759

CVE-2025-3759 is a high-severity vulnerability with a CVSS 4.0 base score of 8.7. 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-306.

Key facts

Description

Endpoint /cgi-bin-igd/netcore_set.cgi which is used for changing device configuration is accessible without authentication. This poses a significant security threat allowing for e.g: administrator account hijacking or AP password changing. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-3759?
Endpoint /cgi-bin-igd/netcore_set.cgi which is used for changing device configuration is accessible without authentication. This poses a significant security threat allowing for e.g: administrator account hijacking or AP password changing. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-3759?
CVE-2025-3759 has a CVSS 4.0 base score of 8.7, rated high severity.
Is CVE-2025-3759 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-3759?
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-2025-3759 have an EU (EUVD) identifier?
Yes. CVE-2025-3759 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13994.
When was CVE-2025-3759 published?
CVE-2025-3759 was published on 2025-05-08 and last updated on 2026-06-17.

References

Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities

Browse all CWE-306 (Missing Authentication for Critical Function) vulnerabilities →