{"id":"CVE-2026-77853","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-77853","generatedAt":"2026-10-28T05:26:35.012Z","title":"Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in FF-RFI079I4 and FF-RFI078I4.","description":"Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in FF-RFI079I4 and FF-RFI078I4. A user who can log in to the product's M-Plane (NETCONF) may execute arbitrary OS commands.","published":"2026-09-15T09:16:44.000Z","lastModified":"2026-09-16T19:27:26.000Z","status":"Deferred","sourceIdentifier":"vultures@jpcert.or.jp","cvss":{"version":"4.0","score":8.7,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-78"],"affected":[],"epss":{"score":0.01878,"percentile":0.79316,"date":"2026-10-27","history":[]},"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 (1.88%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://5g.liteon.com/security/flexfi/","source":"vultures@jpcert.or.jp"},{"url":"https://jvn.jp/en/jp/JVN02049764/","source":"vultures@jpcert.or.jp"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-77853","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."}