Description
A Stack-based Buffer Overflow vulnerability in the authd process of Juniper Networks Junos OS allows an attacker able to influence a configured RADIUS server to cause authd to crash or execute code with root privileges via a malicious RADIUS response.
Published: 2026-10-14
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

Vendor Solution

The following software releases have been updated to resolve this specific issue: Junos OS: 23.2R2-S7.7, 23.4R2-S8.13, 24.2R2-S5.5, 24.4R2-S5, 25.2R2-S2, 25.4R1-S3, 25.4R2, 26.2R1-S2, 26.2R2, 26.4R1, and all subsequent releases. Note: For Junos OS releases 23.2, 23.4, and 24.2, specific respins have been referenced. Previously published versions of these releases have been rebuilt to resolve the security vulnerabilities identified in this advisory.

Vendor Workaround

There are no known workarounds for this issue.

Tracking

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Advisories

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History

Sat, 17 Oct 2026 01:45:00 +0000

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

Fri, 16 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

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

Type Values Removed Values Added
Description A Stack-based Buffer Overflow vulnerability in the authd process of Juniper Networks Junos OS allows an attacker able to influence a configured RADIUS server to cause authd to crash or execute code with root privileges via a malicious RADIUS response.
Title Junos OS: An attacker causes authd to crash when subscriber RADIUS authentication is used
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

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

Subscriptions

Juniper Networks Junos Os
cve-icon MITRE

Status: PUBLISHED

Assigner: juniper

Published:

Updated: 2026-10-16T14:18:52.121Z

Reserved: 2026-09-28T17:33:49.410Z

Link: CVE-2026-102014

cve-icon Vulnrichment

Updated: 2026-10-16T14:18:16.063Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-14T17:17:53.693

Modified: 2026-10-16T15:17:00.397

Link: CVE-2026-102014

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-17T01:30:14Z

Weaknesses
  • CWE-121

    Stack-based Buffer Overflow