CVE-2026-84409— Lantronix G520 系列蜂窝网关跨站脚本漏洞
一分钟漏洞结论
影响对象
Lantronix G520 Series
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。
The device's update mechanism retrieves metadata for software updates over an unencrypted HTTP connection and stores portions of that metadata for later use. A management interface subsequently returns this stored value in a JSON response, and the web interfac
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一、 漏洞 CVE-2026-84409 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
Lantronix G520 Series Cellular Gateway Cross-site Scripting
来源: CVE Program / CVE List V5
Vulnerability Description
The device's update mechanism retrieves metadata for software updates over an unencrypted HTTP connection and stores portions of that metadata for later use. A management interface subsequently returns this stored value in a JSON response, and the web interface responsible for displaying update information inserts that value directly into the page as HTML. This behavior allows attacker‑controlled metadata to be interpreted as script content. In addition, the same authenticated origin provides an interface capable of executing system‑level commands with root privileges. An attacker able to influence update metadata could exploit these conditions to execute arbitrary code within the administrative context of the device.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Lantronix | G520 Series | 2.6.0.4R6 stable | - |
|
二、漏洞 CVE-2026-84409 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-84409 其他参考 (4)
IV. Related Vulnerabilities
Same product: G520 Series
V. Comments for CVE-2026-84409
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