Vulnerability Description
A vulnerability has been found in Linksys WRT1900ACS, EA7200, EA7450 and EA7500 up to 20250619 and classified as critical. This vulnerability affects the function SetDefaultConnectionService of the file /upnp/control/Layer3Forwarding of the component IGD. The manipulation of the argument NewDefaultConnectionService leads to stack-based buffer overflow. The attack can be initiated remotely. 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/feiwuxingxie/cve/blob/main/linksys/vul01/1.md
- https://github.com/feiwuxingxie/cve/blob/main/linksys/vul01/1.md#poc
- https://vuldb.com/?ctiid.314050
- https://vuldb.com/?id.314050
- https://vuldb.com/?submit.600638
- https://www.linksys.com/
FAQ
What is CVE-2025-6752?
CVE-2025-6752 is a vulnerability with a CVSS score of 8.8 (HIGH). A vulnerability has been found in Linksys WRT1900ACS, EA7200, EA7450 and EA7500 up to 20250619 and classified as critical. This vulnerability affects the function SetDefaultConnectionService of the fi...
How severe is CVE-2025-6752?
CVE-2025-6752 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-6752?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.