{"id":"CVE-2026-116504","published":"2026-10-26T21:18:12Z","modified":"2026-10-27T15:16:34Z","title":"A vulnerability has been found in TOTOLINK A950RG 4.1.2cu.5268_B20221104","vendor":"TOTOLINK","product":"A950RG","tier":"core","eol":null,"description":{"text":"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 to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.","provenance":"source","from":"NVD"},"summary":{"text":"A command injection flaw exists in the setCloudUpgradeFW function of lib/cste_modules/upgrade.so in the Cloud Upgrade component of the TOTOLINK A950RG router firmware (4.1.2cu.5268_B20221104), where manipulation of the FileName argument is not neutralized. An attacker with low-privilege authentication on the device can exploit this remotely over the network, without any user interaction, to inject and run operating system commands with the impact on confidentiality, integrity, and availability that the scope change implies.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:22:39Z"},"cvss":{"score":9.9,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.01547,"percentile":0.7498,"date":"2026-10-30","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":4,"pulses":[{"name":"Known_Cve | Oct 31, 2026 | Part 1/3","url":"https://otx.alienvault.com/pulse/6ae4af0017a739f65534f550","created":"2026-10-30"},{"name":"Known_Cve | Oct 30, 2026 | Part 2/2","url":"https://otx.alienvault.com/pulse/6ae35d945cba1d70e2bf3a79","created":"2026-10-29"},{"name":"Known_Cve | Oct 29, 2026 | Part 3/3","url":"https://otx.alienvault.com/pulse/6ae20c338ef6b2d900217a8b","created":"2026-10-28"},{"name":"Known_Cve | Oct 28, 2026 | Part 3/3","url":"https://otx.alienvault.com/pulse/6ae0ba957a5b2456c9113c92","created":"2026-10-27"}],"provenance":"machine"},"cwes":[{"id":"CWE-74","name":"Improper Neutralization of Special Elements in Output Used by a Downstream Component"},{"id":"CWE-77","name":"Improper Neutralization of Special Elements used in a Command"}],"references":[{"url":"https://gist.github.com/H3rmesk1t/c2f2dcfdb6238a7ddb8fb0622ad52948","tags":[]},{"url":"https://vuldb.com/cve/CVE-2026-116504","tags":[]},{"url":"https://vuldb.com/submit/1022553","tags":[]},{"url":"https://vuldb.com/vuln/426402","tags":[]},{"url":"https://vuldb.com/vuln/426402/cti","tags":[]},{"url":"https://www.totolink.net/","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-110321","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-110321","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2026-10-26","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116504","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":23.5,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":15.0,"detail":"percentile 0.7498"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":1.59,"detail":"4 pulses"},{"name":"CVSS severity","points":6.93,"detail":"base score 9.9"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}