CVE-2026-101966— Junos OS Evolved: A crafted analytics sensor resource causes telemetry dial-out daemon denial of service
Quick assessment
Affected
Juniper Networks Junos OS Evolved
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 Evolved 中的 jti-dialoutd 存在一个外部控制格式字符串漏洞，经身份验证的网络攻击者可以通过 gNMI 监听器提交伪造的分析传感器资源，从而导致持久化的遥测拨出拒绝服务。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 5
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Juniper Networks | Junos OS Evolved | 25.4< 25.4R1-S3-EVO |
affected |
26.2< 26.2R1-S2-EVO |
affected | ||
23.4X100 |
affected | ||
25.2X100< 25.2X100-D35-EVO |
affected | ||
25.4X300< 25.4X300-D40-EVO |
affected |
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I. Basic Information for CVE-2026-101966
Vulnerability Information
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Vulnerability Title
Junos OS Evolved: A crafted analytics sensor resource causes telemetry dial-out daemon denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
A Use of Externally-Controlled Format String vulnerability in the jti-dialoutd of Juniper Networks Junos OS Evolved allows an authenticated network attacker to cause persistent telemetry dial-out denial of service via a crafted analytics sensor resource submitted through gNMI listener.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用外部控制的格式字符串
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Juniper Networks | Junos OS Evolved | 25.4 ~ 25.4R1-S3-EVO | - |
|
II. Public POCs for CVE-2026-101966
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-101966 (1)
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🔗 Article Detail vendor-advisory
Same Patch Batch · Juniper Networks · 2026-10-14 · 153 CVEs total
| CVE-2026-102178 | 9.8 CRITICAL | Junos OS and Junos OS Evolved: When BGP update-threading is enabled a specifically malform |
| 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-2026-33789 | 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-2026-101956 | 9.8 CRITICAL | Junos OS: Unauthorized root command execution when J-Web is enabled |
| CVE-2026-101980 | 9.8 CRITICAL | Junos OS: Malformed Extended Echo requests cause a Routing Engine reboot when Extended Ech |
| 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-2026-101954 | 9.8 CRITICAL | Junos OS and Junos OS Evolved: Unauthenticated network access causes full device takeover |
| 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-2026-102175 | 9.8 CRITICAL | Junos OS and Junos OS Evolved: An attacker causes remote code execution or denial of servi |
| CVE-2026-102031 | 9.8 CRITICAL | Junos OS Evolved: A low-privileged TACACS+ user causes root command execution when authori |
| CVE-2026-102174 | 8.8 HIGH | Junos OS: SRX Series: An authenticated remote-access VPN client causes iked denial of serv |
| CVE-2026-102059 | 8.8 HIGH | Junos OS and Junos OS Evolved: EX Series, SRX Series, QFX Series: A rogue DHCP server caus |
| CVE-2026-102050 | 8.8 HIGH | Junos OS and Junos OS Evolved: An adjacent attacker causes Layer 2 control-plane denial of |
| CVE-2026-102176 | 8.8 HIGH | Junos OS: Specific packets cause SDK service crash or Routing Engine compromise when the S |
| CVE-2026-102055 | 8.8 HIGH | Junos OS and Junos OS Evolved: MX Series, PTX Series: An attacker causes remote code execu |
Showing top 20 of 153 CVEs. View all on vendor page → →
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V. Comments for CVE-2026-101966
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