{"id":"CVE-2026-121597","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-121597","summary":"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…","details":"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.","published":"2026-11-04T00:17:27.410","modified":"2026-11-04T00:17:27.583","cvss":{"score":9.9,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://gist.github.com/H3rmesk1t/49d6ccded59379651568e0bdc6b5624c"},{"type":"WEB","url":"https://vuldb.com/cve/CVE-2026-121597"},{"type":"WEB","url":"https://vuldb.com/submit/1022558"},{"type":"WEB","url":"https://vuldb.com/vuln/430439"},{"type":"WEB","url":"https://vuldb.com/vuln/430439/cti"},{"type":"WEB","url":"https://www.totolink.net/"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-04T00:17:27.583"}}