All vulnerabilities
CVE-2026-103410

Session Smart Router: Integer overflow causes denial of service during TLS certificate inspection

Juniper Networks Session Smart RouterNetwork & edge
Open in ThreatlineRecord JSON
CVSS
7.5High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
Fixed in7.0.5Also 7.1.7, 7.2.3CVE List
Published28 Oct 2026Updated 28 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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.

Text from CVE List

Affected versions 3

  • Session Smart Routeraffected: all versions before 7.0.5CVE List
  • Session Smart Routeraffected: 7.1.0 before 7.1.7CVE List
  • Session Smart Routeraffected: 7.2.0 before 7.2.3CVE List

References 1