CVE-2026-109109 PUBLISHED

Wavlink WL-WN530BE1-A Settings Export CGI ExportAllSettings.cgi strcpy stack-based overflow

Assigner: VulDB
Reserved: 12.10.2026 Published: 13.10.2026 Updated: 13.10.2026

A vulnerability was detected in Wavlink WL-WN530BE1-A 251117. This vulnerability affects the function strcpy of the file /cgi-bin/ExportAllSettings.cgi of the component Settings Export CGI. Performing a manipulation of the argument HTTP_COOKIE/X-Cmd results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
CVSS Score: 10

Product Status

Vendor Wavlink
Product WL-WN530BE1-A
Versions
  • Version 251117 is affected

Credits

  • Tarbely (VulDB User) reporter
  • VulDB CNA Team coordinator

References

Problem Types

  • Stack-based Buffer Overflow CWE
  • Memory Corruption CWE