Buffer overflow in Juniper Networks Junos OS

CVE-2026-102175

A Heap-based Buffer Overflow vulnerability in the sdxd service-deployment daemon of Juniper Networks Junos OS and Junos OS Evolved allows a remote unauthenticated attacker who can control or intercept the configured SDX/SRC server connection to execute code as root or cause denial of service via a crafted frame received over the service-deployment TCP connection.

Vulnerability class: Buffer Overflow

Published .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-102175?
CVE-2026-102175 is a critical-severity vulnerability in Juniper Networks Junos OS, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-10-14.
How severe is CVE-2026-102175?
Critical severity. CVSS v3 base score is 9.8 out of 10.