{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-121597","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-11-03T16:14:27.923Z","datePublished":"2026-11-04T00:00:30.063Z","dateUpdated":"2026-11-04T00:00:30.063Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-11-04T00:00:30.063Z"},"title":"TOTOLINK A950RG Easy Setup Wizard cstecgi.cgi setAppEasyWizardConfig 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":"TOTOLINK","product":"A950RG","versions":[{"version":"4.1.2cu.5268_B20221104","status":"affected"}],"cpes":["cpe:2.3:o:totolink:a950rg_firmware:*:*:*:*:*:*:*:*"],"modules":["Easy Setup Wizard Handler"]}],"descriptions":[{"lang":"en","value":"A weakness has been identified in TOTOLINK A950RG 4.1.2cu.5268_B20221104. This affects the function setAppEasyWizardConfig of the file /cgi-bin/cstecgi.cgi of the component Easy Setup Wizard Handler. Executing a manipulation of the argument functionType can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":9.4,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P","baseSeverity":"CRITICAL"}},{"cvssV3_1":{"version":"3.1","baseScore":9.9,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"CRITICAL"}},{"cvssV3_0":{"version":"3.0","baseScore":9.9,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"CRITICAL"}},{"cvssV2_0":{"version":"2.0","baseScore":9,"vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"}}],"timeline":[{"time":"2026-11-03T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-11-03T01:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-11-03T17:19:46.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"LiuYijun_JX.SGCC (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/vuln/430439","name":"VDB-430439 | TOTOLINK A950RG Easy Setup Wizard cstecgi.cgi setAppEasyWizardConfig stack-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/430439/cti","name":"VDB-430439 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-121597","name":"CVE-2026-121597 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/1022558","name":"Submit #1022558 | TOTOLINK A950RG V4.1.2cu.5268_B20221104 Stack Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://gist.github.com/H3rmesk1t/49d6ccded59379651568e0bdc6b5624c","tags":["exploit"]},{"url":"https://www.totolink.net/","tags":["broken-link","product"]}],"x_generator":["VulDB PVTS v202611"]}}}