A Stack-based Buffer Overflow vulnerability in the jdhcpd process of Juniper Networks Junos OS allows an unauthenticated adjacent attacker to cause a denial of service via a DHCP client response. The issue affects DHCP client operation and can interrupt related DHCP, relay, and zero-touch-provisioning services.
History

Sat, 17 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
First Time appeared Juniper Networks
Juniper Networks junos Os
Vendors & Products Juniper Networks
Juniper Networks junos Os

Wed, 14 Oct 2026 17:00:00 +0000

Type Values Removed Values Added
Description A Stack-based Buffer Overflow vulnerability in the jdhcpd process of Juniper Networks Junos OS allows an unauthenticated adjacent attacker to cause a denial of service via a DHCP client response. The issue affects DHCP client operation and can interrupt related DHCP, relay, and zero-touch-provisioning services.
Title Junos OS: An attacker causes DHCP service disruption during DHCP client operation
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M'}


cve-icon MITRE

Status: PUBLISHED

Assigner: juniper

Published: 2026-10-14T16:55:05.633Z

Updated: 2026-10-14T20:26:09.155Z

Reserved: 2026-09-28T17:35:40.523Z

Link: CVE-2026-102057

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-14T17:18:00.937

Modified: 2026-10-15T16:23:06.250

Link: CVE-2026-102057

cve-icon Redhat

No data.