CVE-2026-102182CWE-121

CVE-2026-102182

Critical · published October 14, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
34.2
In the wild
Unconfirmed
What it is

A Stack-based Buffer Overflow vulnerability in the kmd component of Juniper Networks Junos OS on MX Series allows an unauthenticated network attacker to execute code as root via specific IKE certificate-based packets.

This issue requires IKE to be enabled with an RSA-signature IKE policy to be vulnerable.

This issue affects Junos OS on MX Series:

* All versions before 21.2R3-S11;

* from 21.4 before 21.4R3-S12;

* from 22.2 before 22.2R3-S8;

* from 22.3 before 22.3R3-S5;

* from 22.4 before 22.4R3-S9;

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
9.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M
EPSS
0.00411 · 34.2th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-10-14T21:18Z
References (1)
EPSS history
Timeline
  • 16 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 14 OCT 16:57Z
    Junos OS: MX Series: Certificate-based IKE packets cause root-level code execution
    cvelistv5
  • 14 OCT 16:57Z
    Junos OS: MX Series: Certificate-based IKE packets cause root-level code execution
    cvelistv5