---
id: CVE-2026-103410
title: >-
  Session Smart Router: Integer overflow causes denial of service during TLS
  certificate inspection
summary: >-
  An Integer Overflow vulnerability in the DPI certificate scanner in Juniper
  Networks Session Smart Router allows an unauthenticated remote attacker to
  cause a denial of service via a specially crafted TLS server certificate.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cvssSource: cna
cwe:
  - CWE-190
  - CWE-835
vendor: Juniper Networks
product: Session Smart Router
affected:
  - session_smart_router < 7.0.5
  - session_smart_router >= 7.1.0 < 7.1.7
  - session_smart_router >= 7.2.0 < 7.2.3
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-29T01:37:38.803916Z'
published: '2026-10-28'
updated: '2026-10-29'
sourceUpdated: '2026-10-29T01:52:03.380Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-103410'
references:
  - url: 'https://supportportal.juniper.net/JSA112183'
tags:
  - cve.org
epss: 0.00322
epssPercentile: 0.25296
ingestedAt: '2026-10-28T17:14:44.470Z'
---

## Overview

An Integer Overflow vulnerability in the DPI certificate scanner in Juniper Networks Session Smart Router allows an unauthenticated remote attacker to cause a denial of service via a specially crafted TLS server certificate.

## Affected

- `session_smart_router < 7.0.5`
- `session_smart_router >= 7.1.0 < 7.1.7`
- `session_smart_router >= 7.2.0 < 7.2.3`

## Remediation

The following software releases of Session Smart Router have been updated to resolve these specific issues:
  *  7.0.5 

and all subsequent releases;
  *  7.1.7 

and all subsequent releases;
  *  7.2.3 and all subsequent releases.

### Workarounds

There are no known workarounds for this issue.