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CVE-2026-90692

9.9 · CRITICAL

A vulnerability was detected in D-Link DIR-878 120B05.

Published Sep 14, 2026CWE-119EPSS 0.91%

Overview

CVE-2026-90692 is a critical-severity vulnerability. It was published on September 14, 2026 and has a CVSS 3.1 base score of 9.9 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A vulnerability was detected in D-Link DIR-878 120B05. This affects the function SetDynamicDNSIPv6Settings of the component Dynamic DNS IPv6 Settings. The manipulation of the argument IPv6Address/Hostname results in stack-based buffer overflow. The attack may be launched remotely.

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/Amalll-Sec/router-vulnerability-research/blob/main/advisories/d-link/dir-878/SetDynamicDNSIPv6Settings/README.mdRefvuldb.com/cve/CVE-2026-90692Refvuldb.com/submit/915572Refvuldb.com/vuln/403225Refvuldb.com/vuln/403225/ctiRefwww.dlink.com/

How CyberStrike helps

Frequently asked questions

What is CVE-2026-90692?

CVE-2026-90692 is a critical-severity vulnerability. It was published on September 14, 2026 and has a CVSS 3.1 base score of 9.9 (CRITICAL).

How severe is CVE-2026-90692?

This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-90692?

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-2026-90692?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-90692 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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