CVE-2026-77853
CVE-2026-77853
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.
Vulnerability class: Command Injection (OS Command Injection)
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-77853?
- CVE-2026-77853 is a high-severity vulnerability, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-09-15.
- How severe is CVE-2026-77853?
- High severity. CVSS v3 base score is 8.8 out of 10.