Vulnerability Details CVE-2026-5004
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 23.7%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 9.0
References
Products affected by CVE-2026-5004
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cpe:2.3:h:wavlink:wl-wn579x3-c:-
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cpe:2.3:o:wavlink:wl-wn579x3-c_firmware:231124