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

Quick assessment

Affected

Juniper Networks Session Smart Router

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

瞻博网络（Juniper Networks）Session Smart Router 设备中的 DPI 证书扫描器存在整数溢出漏洞，使得未经身份验证的远程攻击者可通过特制的 TLS 服务器证书触发拒绝服务（DoS）攻击。

CVSS 7.5 · High EPSS 0.32% · P25 Updated Oct 29, 2026

Possible ATT&CK Techniques 2 AI

T1190 · Exploit Public-Facing Application T1499.001 · OS Exhaustion Flood

Affected Version Matrix 3

Vendor	Product	Version Range	Status
Juniper Networks	Session Smart Router	`< 7.0.5`	affected
		`7.1.0< 7.1.7`	affected
		`7.2.0< 7.2.3`	affected

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Vulnerability Information

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Vulnerability Title

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

Source: CVE Program / CVE List V5

Vulnerability 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.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

整数溢出或超界折返

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Juniper Networks	Session Smart Router	0 ~ 7.0.5	-

II. Public POCs for CVE-2026-103410

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-103410

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Vendor Pages for CVE-2026-103410 (1)

🔗 Article Detail vendor-advisory

https://www.cve.org/CVERecord?id=CVE-2026-103410

Same Patch Batch · Juniper Networks · 2026-10-28 · 18 CVEs total

CVE-2026-103409	9.8 CRITICAL	Session Smart Router: An attacker obtains administrative privileges when an unauthenticate
CVE-2026-103406	9.8 CRITICAL	Session Smart Conductor: An unauthenticated attacker causes arbitrary command execution du
CVE-2026-106079	8.8 HIGH	Session Smart Router and Session Smart Conductor: Improper validation of a field causes pr
CVE-2026-103408	8.8 HIGH	Session Smart Router: An attacker-controlled input causes remote code execution when parsi
CVE-2026-103407	8.8 HIGH	Session Smart Router and Session Smart Conductor: Unsanitized input allows arbitrary file
CVE-2026-103401	8.8 HIGH	Session Smart Router and Session Smart Conductor: An attacker can overwrite arbitrary file
CVE-2026-103402	8.8 HIGH	Session Smart Router and Session Smart Conductor: Lack of integrity verification in cache
CVE-2026-103403	8.8 HIGH	Session Smart Router and Session Smart Conductor: Unvalidated input causes arbitrary file
CVE-2026-103411	7.1 HIGH	Session Smart Router: A malicious DHCP server causes information disclosure and a service
CVE-2026-103404	6.8 MEDIUM	Session Smart Conductor: Insecure file permissions cause unauthorized access to sensitive
CVE-2026-103405	5.8 MEDIUM	Session Smart Router and Session Smart Conductor: Unsanitized input causes HTTP response s
CVE-2026-103400	5.5 MEDIUM	Session Smart Router and Session Smart Conductor: Crafted directory names cause arbitrary
CVE-2026-103391	5.3 MEDIUM	Session Smart Router: An attacker-controlled TCP option causes an out-of-bounds write when
CVE-2026-103390	5.3 MEDIUM	Session Smart Router and Session Smart Conductor: A malformed HTTP URI causes a service cr
CVE-2026-103392	4.8 MEDIUM	Session Smart Router: A SACK option causes out-of-bounds memory access and TCP payload cor
CVE-2026-103393	4.3 MEDIUM	Session Smart Router: An attacker can cause an out-of-bounds read during VRRP packet proce
CVE-2026-103394	3.7 LOW	Session Smart Router: An incomplete operator causes the use of incorrect encryption keys d

IV. Related Vulnerabilities

Same product: Session Smart Router

Same vendor: Juniper Networks

Same weakness: CWE-190