CVE-2026-102174

Junos OS: SRX Series: An authenticated remote-access VPN client causes iked denial of service or root-level code execution when JIMS identity publishing is enabled

State: Published
Severity: 8.7 High
Published: Oct 14, 2026
Updated: Oct 16, 2026
Reserved: Sep 28, 2026

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Description

A Stack-based Buffer Overflow vulnerability in the iked IKE key-management daemon of Juniper Networks Junos OS on the SRX Series allows an authenticated remote-access VPN client to execute code with root privileges or cause denial of service via the remote-access VPN authentication and JIMS identity-publishing path.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M	juniper
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	juniper

Weaknesses

CWE-121 Stack-based Buffer Overflow

Affected Products

Product	Versions
Junos OSJuniper Networks	before 23.2R2-S7.7Affected 23.4 to before 23.4R2-S8.13Affected 24.2 to before 24.2R2-S5.5Affected 24.4 to before 24.4R2-S5Affected 25.2 to before 25.2R2-S2Affected 25.4 to before 25.4R1-S3Affected 26.2 to before 26.2R1-S2Affected

References

https://supportportal.juniper.net/JSA112186vendor-advisory

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