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CVE-2025-8816

8.8 · HIGH

A vulnerability was determined in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801.

Published Aug 10, 2025CWE-119EPSS 1.05%

Overview

CVE-2025-8816 is a high-severity vulnerability. It was published on August 10, 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 was determined in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801. Affected is the function setOpMode of the file /goform/setOpMode. The manipulation of the argument ethConv leads to stack-based buffer overflow. It is possible to launch the attack 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/wudipjq/my_vuln/blob/main/Linksys1/vuln_50/50.mdGitHubgithub.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_50/50.md#pocRefvuldb.com/?ctiid.319350Refvuldb.com/?id.319350Refvuldb.com/?submit.626680Refwww.linksys.com/GitHubgithub.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_50/50.mdGitHubgithub.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_50/50.md#poc

How CyberStrike helps

Frequently asked questions

What is CVE-2025-8816?

CVE-2025-8816 is a high-severity vulnerability. It was published on August 10, 2025 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-8816?

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-2025-8816?

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-2025-8816?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-8816 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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