{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74843","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-08-17T04:49:13.431Z","datePublished":"2026-08-17T11:15:08.412Z","dateUpdated":"2026-08-17T14:44:57.952Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-08-17T11:15:08.412Z"},"title":"Wavlink WN531P3/WN535M1 Export Pingortrace CGI export_pingortrace.cgi strcpy stack-based overflow","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-121","lang":"en","description":"Stack-based Buffer Overflow"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"Memory Corruption"}]}],"affected":[{"vendor":"Wavlink","product":"WN531P3","versions":[{"version":"V250922","status":"affected"}],"cpes":["cpe:2.3:a:wavlink:wn531p3:*:*:*:*:*:*:*:*"],"modules":["Export Pingortrace CGI"]},{"vendor":"Wavlink","product":"WN535M1","versions":[{"version":"V250922","status":"affected"}],"cpes":["cpe:2.3:a:wavlink:wn535m1:*:*:*:*:*:*:*:*"],"modules":["Export Pingortrace CGI"]}],"descriptions":[{"lang":"en","value":"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":[{"cvssV4_0":{"version":"4.0","baseScore":10,"vectorString":"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","baseSeverity":"CRITICAL"}},{"cvssV3_1":{"version":"3.1","baseScore":10,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"CRITICAL"}},{"cvssV3_0":{"version":"3.0","baseScore":10,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"CRITICAL"}},{"cvssV2_0":{"version":"2.0","baseScore":10,"vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"}}],"timeline":[{"time":"2026-08-17T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-08-17T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-08-17T06:54:18.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"world5 (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"references":[{"url":"https://vuldb.com/vuln/391205","name":"VDB-391205 | Wavlink WN531P3/WN535M1 Export Pingortrace CGI export_pingortrace.cgi strcpy stack-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/391205/cti","name":"VDB-391205 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-74843","name":"CVE-2026-74843 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/875331","name":"Submit #875331 | Wavlink WAVLINK_WN535M1-M35M1_V250922 V250922 Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://github.com/wcndsb-sketch/WAVLINK_WN535M1-M35M1_V250922-Buffer-Overflow/blob/main/CVE-Report-WAVLINK-WN535M1-RCE.pdf","tags":["exploit"]}],"x_generator":["VulDB PVTS v202608"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-17T14:44:47.207405Z","id":"CVE-2026-74843","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-17T14:44:57.952Z"}}]}}