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CVE-2026-5004

HIGH

8.8

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.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/28/2026

Last Modified4/3/2026

Sourcenvd

Honeypot Sightings0

Affected Products

wavlink:wl-wn579x3-cwavlink:wl-wn579x3-c_firmware

Weaknesses (CWE)

CWE-119CWE-121CWE-787

References

https://github.com/Litengzheng/vul_db/blob/main/WL-WN579X3-C/vul_200/README.md(cna@vuldb.com)

https://vuldb.com/submit/779149(cna@vuldb.com)

https://vuldb.com/vuln/353891(cna@vuldb.com)

https://vuldb.com/vuln/353891/cti(cna@vuldb.com)

IOC Correlations

No correlations recorded

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