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CVE-2025-6752

8.8 · HIGH

A vulnerability has been found in Linksys WRT1900ACS, EA7200, EA7450 and EA7500 up to 20250619 and classified as critical.

Published Jun 27, 2025CWE-119EPSS 1.15%

Overview

CVE-2025-6752 is a high-severity vulnerability. It was published on June 27, 2025 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/feiwuxingxie/cve/blob/main/linksys/vul01/1.mdGitHubgithub.com/feiwuxingxie/cve/blob/main/linksys/vul01/1.md#pocRefvuldb.com/?ctiid.314050Refvuldb.com/?id.314050Refvuldb.com/?submit.600638Refwww.linksys.com/

How CyberStrike helps

Frequently asked questions

What is CVE-2025-6752?

CVE-2025-6752 is a high-severity vulnerability. It was published on June 27, 2025 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-6752?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-6752?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-6752?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-6752 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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