CVE-2026-77853 FF-RFI - OS Command Injection

FF-RFI079I4 and FF-RFI078I4 contain an OS command injection caused by improper neutralization of special elements in M-Plane (NETCONF), letting logged-in users execute arbitrary OS commands.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
1.88% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
OS Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
15 September 2026
Updated
15 October 2026
Weakness
CWE-78

Vendor fix

Update to the latest version or apply vendor patches addressing this issue.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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