CVE-2026-102057 — Junos OS: An attacker causes DHCP service disruption during DHCP client operation

CVE-2026-102057

Junos OS: An attacker causes DHCP service disruption during DHCP client operation PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Juniper Networks / Junos OS	affected 0 before 23.2R2-S7.7; affected 23.4 before 23.4R2-S8.13; affected 24.2 before 24.2R2-S5.5; affected 24.4 before 24.4R2-S5; affected 25.2 before 25.2R2-S2; affected 25.4 before 25.4R1-S3; affected 26.2 before 26.2R1-S2

CWE

CWE-121

References

https://supportportal.juniper.net/JSA112188

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.