CVE-2026-77853CWE-78command-injection

CVE-2026-77853

High · published September 15, 2026

CVSS v3.0
8.8
EPSS
2%
Percentile
79.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
8.8 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
8.7 · 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
EPSS
0.01878 · 79.3th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-09-15T13:16Z
References (2)
https://5g.liteon.com/security/flexfi/ · [email protected]https://jvn.jp/en/jp/JVN02049764/ · [email protected]
EPSS history
Timeline
  • 17 SEP 03:32Z
    EPSS moved — → 1%
    epss
  • 15 SEP 08:49Z
    Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in FF-RFI079I4 and FF-RFI078I4
    cvelistv5