CVE-2026-5004
8.8 · HIGHOverview
CVE-2026-5004 is a high-severity vulnerability affecting wavlink wl-wn579x3-c_firmware. It was published on March 28, 2026 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 Wavlink WL-WN579X3-C 231124. This impacts the function sub_4019FC of the file /cgi-bin/firewall.cgi of the component UPNP Handler. Executing a manipulation of the argument UpnpEnabled can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Remediation
Check the references section for vendor advisories and patches from wavlink. Update wl-wn579x3-c_firmware to the latest patched version. 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.
Affected Products
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Frequently Asked Questions
What is CVE-2026-5004?
CVE-2026-5004 is a high-severity vulnerability affecting wavlink wl-wn579x3-c_firmware. It was published on March 28, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2026-5004?
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-2026-5004?
Check the references section for vendor advisories and patches from wavlink. Update wl-wn579x3-c_firmware to the latest patched version. 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-2026-5004?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-5004 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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