CVE-2026-103994— Junos OS: A crafted OVSDB message crashes vgd and allows remote code execution
一分钟漏洞结论
影响对象
Juniper Networks Junos OS
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
A Heap-based Buffer Overflow vulnerability in the VXLAN Gateway Daemon (vgd) of Juniper Networks Junos OS allows a malicious or compromised SDN-controller to cause a complete outage of the OVSDB control plane and possibly remote code execution.
影响版本矩阵 7
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| 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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一、 漏洞 CVE-2026-103994 基础信息
漏洞信息
尽管我们使用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。神龙努力确保数据的准确性，但请您根据实际情况进行核实和判断。
Vulnerability Title
Junos OS: A crafted OVSDB message crashes vgd and allows remote code execution
来源: CVE Program / CVE List V5
Vulnerability Description
A Heap-based Buffer Overflow vulnerability in the VXLAN Gateway Daemon (vgd) of Juniper Networks Junos OS allows a malicious or compromised SDN-controller to cause a complete outage of the OVSDB control plane and possibly remote code execution.
来源: 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
来源: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Juniper Networks | Junos OS | 0 ~ 23.2R2-S7.7 | - |
|
二、漏洞 CVE-2026-103994 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-103994 其他参考 (1)
-
https://supportportal.juniper.net/JSA112188 vendor-advisory
同批安全公告 · Juniper Networks · 2026-10-14 · 共 153 条
| CVE-2026-101986 | 9.8 CRITICAL | Junos OS and Junos OS Evolved: J-Web permits pre-authentication CGI execution |
| 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-2026-102031 | 9.8 CRITICAL | Junos OS Evolved: A low-privileged TACACS+ user causes root command execution when authori |
| CVE-2026-33796 | 9.8 CRITICAL | Junos OS and Junos OS Evolved: An attacker causes remote root command execution when BMP r |
| CVE-2026-101950 | 9.8 CRITICAL | Junos OS: SRX Series: Malformed IPv4 packets cause packet-forwarding process crash when Se |
| 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-2026-101954 | 9.8 CRITICAL | Junos OS and Junos OS Evolved: Unauthenticated network access causes full device takeover |
| CVE-2026-102182 | 9.8 CRITICAL | Junos OS: MX Series: Certificate-based IKE packets cause root-level code execution |
| 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-2026-101990 | 9.8 CRITICAL | Junos OS and Junos OS Evolved: A BGP peer causes an rpd crash when flow-spec routes are re |
| CVE-2026-102175 | 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-2026-101983 | 9.8 CRITICAL | Junos OS and Junos OS Evolved: An attacker causes remote code execution when J-Web virtual |
| CVE-2026-102176 | 8.8 HIGH | Junos OS: Specific packets cause SDK service crash or Routing Engine compromise when the S |
| 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-2026-102059 | 8.8 HIGH | Junos OS and Junos OS Evolved: EX Series, SRX Series, QFX Series: A rogue DHCP server caus |
| CVE-2026-102015 | 8.8 HIGH | Junos OS and Junos OS Evolved: An attacker causes root code execution when 802.1X authenti |
显示前 20 条，共 153 条。 查看全部 → →
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