CVE-2026-74843 PUBLISHED

Wavlink WN531P3/WN535M1 Export Pingortrace CGI export_pingortrace.cgi strcpy stack-based overflow

Assigner: VulDB
Reserved: 17.08.2026 Published: 17.08.2026 Updated: 17.08.2026

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.

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 WN531P3
Versions
  • Version V250922 is affected
Vendor Wavlink
Product WN535M1
Versions
  • Version V250922 is affected

Credits

  • world5 (VulDB User) reporter
  • VulDB CNA Team coordinator

References

Problem Types

  • Stack-based Buffer Overflow CWE
  • Memory Corruption CWE