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CVE-2026-108896— Linksys E1700 setLinksysIpv6 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 版本中发现了一个漏洞。该漏洞影响文件 /goform/setLinksysIpv6 中的 setLinksysIpv6 函数。对参数 _6rd_prefix 和 _6rd_prefix_len 的操作可导致操作系统命令注入。攻击可以远程发起。该漏洞利用代码已公开，并可被使用。厂商在披露前已被联系，但对此未作任何回应。

CVSS 9.9 · Critical EPSS 2.20% · P82 Updated Oct 15, 2026

Possible ATT&CK Techniques 2 AI

T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

Vendor	Product	Version Range	Status
Linksys	E1700	`1.0.0.4.003`	affected

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Vulnerability Information

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Vulnerability Title

Linksys E1700 setLinksysIpv6 os command injection

Source: CVE Program / CVE List V5

Vulnerability Description

A vulnerability was found in Linksys E1700 1.0.0.4.003. This affects the function setLinksysIpv6 of the file /goform/setLinksysIpv6. The manipulation of the argument _6rd_prefix/_6rd_prefix_len results in os command injection. The attack can be launched remotely. The exploit has been made public and could be used. 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-2026-108896

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-108896

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Proof of Concept for CVE-2026-108896 (1)

🔗 my_vuln/Linksys3/vuln_70/70.md at main · wudipjq/my_vuln · GitHub Read full article broken-link exploit

https://www.cve.org/CVERecord?id=CVE-2026-108896

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-2026-108894	9.9 CRITICAL	Linksys E1700 Static Route addStaticRoute 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-2026-108896

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Goal Reached Thanks to every supporter — we hit 100%!

CVE-2026-108896— Linksys E1700 setLinksysIpv6 os command injection

Quick assessment

Possible ATT&CK Techniques 2 AI

Affected Version Matrix 1

I. Basic Information for CVE-2026-108896

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-108896

III. Intelligence Information for CVE-2026-108896

Proof of Concept for CVE-2026-108896 (1)

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

IV. Related Vulnerabilities

V. Comments for CVE-2026-108896

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