Vulnerability in Juniper Networks Junos OS

[ Description ]Official description

A Stack-based Buffer Overflow vulnerability in the dot1x daemon of Juniper Networks Junos OS devices operating as Junos Fusion Aggregation Devices allows an adjacent attacker acting as the configured ICCP peer to cause a denial of service and potentially execute code as root via. The issue is triggered when dot1x synchronization is enabled for the required Fusion satellite topology.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• NCSC-NL16 Oct 2026NCSC-2026-0430

  Vulnerabilities fixed in Juniper Networks Junos OS Translated from Dutch

  Probability/damage M/HCVE-2026-103994CVE-2026-102182CVE-2026-102176+12 more CVEs
• CERT-FR15 Oct 2026CERTFR-2026-AVI-1322

  Multiple vulnerabilities in Juniper Networks products Translated from French

  Multiple vulnerabilities have been discovered in Juniper Networks products. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation and remote denial of service.

  CVE-2026-102045CVE-2026-101985CVE-2026-101982+155 more CVEs

[ References ]References

• supportportal.juniper.net/JSA112188