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CVE-2026-102176— Junos OS: Specific packets cause SDK service crash or Routing Engine compromise when the SDK service and JDAF is enabled

Quick assessment

Affected

Juniper Networks Junos OS

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.

Juniper Networks Junos OS 的 SDK 服务进程中存在“经典缓冲区溢出”漏洞（即未检查输入大小的缓冲区复制）。当 SDK 服务和 JDAF 路由实例均启用时，未经身份验证的网络攻击者可通过发送特定数据包，导致拒绝服务或危及路由引擎（Routing Engine）的安全。

CVSS 8.8 · High EPSS 0.30% · P21 Updated Oct 15, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 7

Vendor	Product	Version Range	Status
Juniper Networks	Junos OS	`< 23.2R2-S7.7`	affected
		`23.4< 23.4R2-S8.13`	affected
		`24.2< 24.2R2-S5.5`	affected
		`24.4< 24.4R2-S5`	affected
		`25.2< 25.2R2-S2`	affected
		`25.4< 25.4R1-S3`	affected
		`26.2< 26.2R1-S2`	affected

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Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title

Junos OS: Specific packets cause SDK service crash or Routing Engine compromise when the SDK service and JDAF is enabled

Source: CVE Program / CVE List V5

Vulnerability Description

A Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the SDK service process of Juniper Networks Junos OS allows an unauthenticated network attacker to cause a denial of service or compromise the Routing Engine by sending specific packets when the SDK service and a JDAF routing instance are enabled.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Juniper Networks	Junos OS	0 ~ 23.2R2-S7.7	-

II. Public POCs for CVE-2026-102176

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-102176

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Other References for CVE-2026-102176 (1)

🔗 Article Detail Read full article vendor-advisory

https://www.cve.org/CVERecord?id=CVE-2026-102176

Same Patch Batch · Juniper Networks · 2026-10-14 · 153 CVEs total

CVE-2026-101954	9.8 CRITICAL	Junos OS and Junos OS Evolved: Unauthenticated network access causes full device takeover
CVE-2026-102031	9.8 CRITICAL	Junos OS Evolved: A low-privileged TACACS+ user causes root command execution when authori
CVE-2026-33789	9.8 CRITICAL	Junos OS and Junos OS Evolved: With BGP Monitoring Protocol is enabled, receipt of a speci
CVE-2026-33792	9.8 CRITICAL	Junos OS: SRX Series: An attacker causes remote code execution and denial of service when
CVE-2026-33796	9.8 CRITICAL	Junos OS and Junos OS Evolved: An attacker causes remote root command execution when BMP r
CVE-2026-102182	9.8 CRITICAL	Junos OS: MX Series: Certificate-based IKE packets cause root-level code execution
CVE-2026-101990	9.8 CRITICAL	Junos OS and Junos OS Evolved: A BGP peer causes an rpd crash when flow-spec routes are re
CVE-2026-101950	9.8 CRITICAL	Junos OS: SRX Series: Malformed IPv4 packets cause packet-forwarding process crash when Se
CVE-2026-101986	9.8 CRITICAL	Junos OS and Junos OS Evolved: J-Web permits pre-authentication CGI execution
CVE-2026-101956	9.8 CRITICAL	Junos OS: Unauthorized root command execution when J-Web is enabled
CVE-2026-101982	9.8 CRITICAL	Junos OS and Junos OS Evolved: A EVPN peer causes an rpd crash or root-level compromise wh
CVE-2026-101983	9.8 CRITICAL	Junos OS and Junos OS Evolved: An attacker causes remote code execution when J-Web virtual
CVE-2026-101980	9.8 CRITICAL	Junos OS: Malformed Extended Echo requests cause a Routing Engine reboot when Extended Ech
CVE-2026-102178	9.8 CRITICAL	Junos OS and Junos OS Evolved: When BGP update-threading is enabled a specifically malform
CVE-2026-102175	9.8 CRITICAL	Junos OS and Junos OS Evolved: An attacker causes remote code execution or denial of servi
CVE-2026-102055	8.8 HIGH	Junos OS and Junos OS Evolved: MX Series, PTX Series: An attacker causes remote code execu
CVE-2026-102059	8.8 HIGH	Junos OS and Junos OS Evolved: EX Series, SRX Series, QFX Series: A rogue DHCP server caus
CVE-2026-102061	8.8 HIGH	Junos OS and Junos OS Evolved: An attacker causes root code execution when SZTP DHCP provi
CVE-2026-102174	8.8 HIGH	Junos OS: SRX Series: An authenticated remote-access VPN client causes iked denial of serv
CVE-2026-102049	8.8 HIGH	Junos OS and Junos OS Evolved: An attacker causes l2cpd crash or root code execution when

Showing top 20 of 153 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Junos OS

Same vendor: Juniper Networks

Same weakness: CWE-120

V. Comments for CVE-2026-102176

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Goal Reached Thanks to every supporter — we hit 100%!

CVE-2026-102176— Junos OS: Specific packets cause SDK service crash or Routing Engine compromise when the SDK service and JDAF is enabled

Quick assessment

Possible ATT&CK Techniques 1 AI

Affected Version Matrix 7

I. Basic Information for CVE-2026-102176

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-102176

III. Intelligence Information for CVE-2026-102176

Other References for CVE-2026-102176 (1)

Same Patch Batch · Juniper Networks · 2026-10-14 · 153 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2026-102176

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