CVE-2026-102045: CWE-787 Out-of-bounds Write in Juniper Networks Junos OS Evolved
Description
An Out-of-bounds Write Out-of-bounds Write vulnerability in lacpd of Juniper Networks Junos OS Evolved allows a Layer-2-adjacent attacker to cause a denial of service via a crafted frame received on an LACP-enabled aggregated-Ethernet member port.
CVSS v3.1
Score 6.5medium
Affected software
Juniper Networks
Junos OS Evolved
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-102045) involves an out-of-bounds write in the lacpd process of Juniper Networks Junos OS Evolved. An attacker with Layer-2 adjacency can trigger a denial of service by sending a specially crafted frame to an LACP-enabled aggregated-Ethernet member port. The flaw affects several specific version ranges of Junos OS Evolved, as listed, and results in availability impact without compromising confidentiality or integrity. The CVSS 3.1 vector indicates low attack complexity, no privileges required, and no user interaction needed.
Potential Impact
Successful exploitation causes a denial of service condition, impacting system availability. There is no impact on confidentiality or integrity according to the CVSS vector. The attack requires Layer-2 adjacency but no privileges or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the input data. Users should monitor Juniper Networks advisories for updates and apply patches once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- juniper
- Date Reserved
- 2026-09-28T17:35:40.522Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6acfb6692cdf04f6569794d0
Added to database: 10/14/2026, 17:05:45 UTC
Last enriched: 10/14/2026, 18:19:59 UTC
Last updated: 10/14/2026, 21:48:31 UTC
Views: 3
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