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CVE-2026-101982— Junos OS and Junos OS Evolved: A EVPN peer causes an rpd crash or root-level compromise when EVPN-VPWS is used

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 和 Junos OS Evolved 中的路由协议守护进程（rpd）存在一个基于栈的缓冲区溢出漏洞。该漏洞允许已配置的 BGP/EVPN 对等方，通过发送符合协议规范的 EVPN-VPWS 服务的路由通告，在 Junos OS 上实现 root 权限代码执行，或在 Junos OS Evolved 上导致 rpd 崩溃。

CVSS 9.8 · Critical

Affected Version Matrix 17

VendorProduct Version RangeStatus
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
Juniper Networks Junos OS Evolved < 23.2R2-S7.7-EVO affected
23.4< 23.4R2-S8.11-EVO affected
24.2< 24.2R2-S5.6-EVO affected
24.4< 24.4R2-S5-EVO affected
25.2< 25.2R2-S2-EVO affected
25.4< 25.4R1-S3-EVO affected
26.2< 26.2R1-S2-EVO affected
23.4X100 affected
… +2 more rows
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I. Basic Information for CVE-2026-101982

Vulnerability Information
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Vulnerability Title
Junos OS and Junos OS Evolved: A EVPN peer causes an rpd crash or root-level compromise when EVPN-VPWS is used
Source: CVE Program / CVE List V5
Vulnerability Description
A Stack-based Buffer Overflow vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP/EVPN peer to cause root code execution on Junos OS or an rpd crash on Junos OS Evolved via protocol-valid route advertisements for an EVPN-VPWS service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5

Affected Products

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

II. Public POCs for CVE-2026-101982

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III. Intelligence Information for CVE-2026-101982

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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-2026-102175 9.8 CRITICAL Junos OS and Junos OS Evolved: An attacker causes remote code execution or denial of servi
CVE-2026-102178 9.8 CRITICAL Junos OS and Junos OS Evolved: When BGP update-threading is enabled a specifically malform
CVE-2026-102182 9.8 CRITICAL Junos OS: MX Series: Certificate-based IKE packets cause root-level code execution
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-2026-101990 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-2026-101983 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-2026-102176 8.8 HIGH Junos OS: Specific packets cause SDK service crash or Routing Engine compromise when the S
CVE-2026-102050 8.8 HIGH Junos OS and Junos OS Evolved: An adjacent attacker causes Layer 2 control-plane denial of
CVE-2026-102052 8.8 HIGH Junos OS and Junos OS Evolved: An attacker causes jdhcpd to crash when the DHCPv4 local-cl
CVE-2026-101978 8.8 HIGH Junos OS Evolved: PTX Series: An attacker controlled gRPC response causes root-level compr
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

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

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks
Same weakness: CWE-121

V. Comments for CVE-2026-101982

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