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CVE-2026-108894— Linksys E1700 Static Route addStaticRoute os command injection

Quick assessment

Affected
Linksys E1700
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.

在 Linksys E1700 1.0.0.4.003 中发现了一个安全漏洞。受影响的组件是“静态路由处理器”（Static Route Handler），具体涉及文件 中的 函数。通过操纵参数 、 、 和 ，可导致操作系统命令注入。该漏洞支持远程利用。相关利用代码已公开，可能被用于实施攻击。供应商在披露早期已收到通知，但始终未作任何回应。

CVSS 9.9 · Critical

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-108894

Vulnerability Information
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Vulnerability Title
Linksys E1700 Static Route addStaticRoute os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in Linksys E1700 1.0.0.4.003. Impacted is the function addStaticRoute of the file /goform/addStaticRoute of the component Static Route Handler. Performing a manipulation of the argument staticRoute_IP_setting/staticRoute_Netmask_setting/staticRoute_Gateway_setting/staticRoute_Metric_setting results in os command injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linksys E1700 1.0.0.4.003 cpe:2.3:o:linksys:e1700_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-108894

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III. Intelligence Information for CVE-2026-108894

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Vendor Advisories for CVE-2026-108894 (1)

Other References for CVE-2026-108894 (4)

Same Patch Batch · Linksys · 2026-10-12 · 5 CVEs total

CVE-2026-108892 10.0 CRITICAL Linksys E1700 Mac Filter ssid1MACFilter stack-based overflow
CVE-2026-108893 9.9 CRITICAL Linksys E1700 setVlan stack-based overflow
CVE-2026-108896 9.9 CRITICAL Linksys E1700 setLinksysIpv6 os command injection
CVE-2026-108895 9.9 CRITICAL Linksys E1700 setDMZ os command injection

IV. Related Vulnerabilities

Same product: E1700
Same vendor: Linksys
Same weakness: CWE-78

V. Comments for CVE-2026-108894

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