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CVE-2025-13188

9.8 · CRITICAL

A vulnerability was detected in D-Link DIR-816L 2_06_b09_beta.

Published Nov 14, 2025CWE-119EPSS 2.39%

Overview

CVE-2025-13188 is a critical-severity vulnerability. It was published on November 14, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A vulnerability was detected in D-Link DIR-816L 2_06_b09_beta. Affected by this vulnerability is the function authenticationcgi_main of the file /authentication.cgi. Performing manipulation of the argument Password results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

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/scanleale/IOT_sec/blob/main/DIR-816L%20stack%20overflow(authentication.cgi).pdfRefvuldb.com/?ctiid.332476Refvuldb.com/?id.332476Refvuldb.com/?submit.685538Refwww.dlink.com/GitHubgithub.com/scanleale/IOT_sec/blob/main/DIR-816L%20stack%20overflow(authentication.cgi).pdf

How CyberStrike helps

Frequently asked questions

What is CVE-2025-13188?

CVE-2025-13188 is a critical-severity vulnerability. It was published on November 14, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-13188?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-13188?

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-2025-13188?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-13188 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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