CVE-2026-103392

MediumCVSS 4.8/10Last modified Nov 5, 2026

Description

An Out-of-Bounds Write vulnerability in the TCP header processing in Juniper Networks Session Smart Router allows an attacker to corrupt TCP payload data and potentially cause session desynchronization via a transit TCP packet with an oversized SACK option length.

Metrics

CVSS 3.1 4.8/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Weakness enumeration

CWE-787

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Juniper Networks	Session Smart Router	< 7.0.5; >= 7.1.0, < 7.1.7; >= 7.2.0, < 7.2.3

References

https://supportportal.juniper.net/JSA112183

Timeline

Published: Oct 28, 2026
Last modified: Nov 5, 2026
NVD status: Awaiting Analysis

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