Vulnerability · Published Oct 28, 2026 · Assigned by juniper

CVE-2026-103410Session Smart Router: Integer overflow causes denial of service during TLS certificate inspection

High 7.5

In plain English

A high-severity integer overflow in Session Smart Router from Juniper Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 74.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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 products (as reported)

VendorProductVersions
Juniper Networks Session Smart Router 0 – before 7.0.57.1.0 – before 7.1.77.2.0 – before 7.2.3

Weakness: CWE-190, CWE-835 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References