{"id":"CVE-2026-116504","title":"TOTOLINK A950RG Cloud Upgrade upgrade.so setCloudUpgradeFW command injection","summary":"A vulnerability has been found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. This affects the function setCloudUpgradeFW of the file lib/cste_modules/upgrade.so of the component Cloud Upgrade. The manipulation of the argument FileName leads…","severity":"critical","cvss":9.9,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-77","CWE-74"],"vendor":"TOTOLINK","product":"A950RG","affected":["A950RG 4.1.2cu.5268_B20221104"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-10-27T14:06:36.678372Z"},"exploitAvailable":true,"published":"2026-10-26","updated":"2026-10-27","sourceUpdated":"2026-10-27T14:18:09.375Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116504","references":[{"url":"https://vuldb.com/vuln/426402","label":"VDB-426402 | TOTOLINK A950RG Cloud Upgrade upgrade.so setCloudUpgradeFW command injection"},{"url":"https://vuldb.com/vuln/426402/cti","label":"VDB-426402 | CTI Indicators (IOB, IOC, TTP, IOA)"},{"url":"https://vuldb.com/cve/CVE-2026-116504","label":"CVE-2026-116504 | CVE Analysis and Report"},{"url":"https://vuldb.com/submit/1022553","label":"Submit #1022553 | TOTOLINK A950RG V4.1.2cu.5268_B20221104 Command Injection"},{"url":"https://gist.github.com/H3rmesk1t/c2f2dcfdb6238a7ddb8fb0622ad52948"},{"url":"https://www.totolink.net/"}],"tags":["cve.org","exploit-available"],"epss":0.01547,"epssPercentile":0.74874,"ingestedAt":"2026-10-26T20:39:42.613Z","slug":"CVE-2026-116504","body":"## Overview\n\nA vulnerability has been found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. This affects the function setCloudUpgradeFW of the file lib/cste_modules/upgrade.so of the component Cloud Upgrade. The manipulation of the argument FileName leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.\n\n## Affected\n\n- `A950RG 4.1.2cu.5268_B20221104`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":67,"depthScoreParts":{"impact":54.5,"likelihood":0.3,"exploitation":12,"ransomware":0},"changes":[{"seq":229902,"id":"CVE-2026-116504","ts":1793117604998,"field":"exploit_available","old":"false","new":"true"}]}