{"id":"CVE-2026-7140","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-7140","generatedAt":"2026-10-28T07:04:03.742Z","title":"A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521.","description":"A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function CsteSystem of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument HTTP leads to os command injection. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.","published":"2026-04-27T17:16:45.000Z","lastModified":"2026-10-26T21:10:00.000Z","status":"Deferred","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":8.9,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-77","CWE-78"],"affected":[],"epss":{"score":0.01766,"percentile":0.7796,"date":"2026-10-27","history":[{"date":"2026-09-24","score":0.03253,"percentile":0.8783},{"date":"2026-10-25","score":0.01766,"percentile":0.77921}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_315/README.md","source":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/801110","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/359739","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/359739/cti","source":"cna@vuldb.com"},{"url":"https://www.totolink.net/","source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-7140","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}