CVE-2026-74843
Critical · 10.0CVSS
10.0
EPSS
1.0%
Published
Aug 17, 2026
CISA due date
—
The record
A vulnerability was determined in Wavlink WN531P3 and WN535M1 V250922. Affected by this vulnerability is the function strcpy of the file /etc/lighttpd/www/cgi-bin/export_pingortrace.cgi of the component Export Pingortrace CGI. Executing a manipulation of the argument HTTP_COOKIE can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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