OS Command Injection Vulnerability in Linksys E1700 by Linksys
CVE-2026-108894

9.4CRITICAL

Key Information:

Vendor

Linksys
Status
E1700
Vendor
CVE Published:
12 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-108894?

A security flaw in Linksys E1700 version 1.0.0.4.003 has been identified, impacting the functionality of the static route handler. Specifically, vulnerabilities exist in the addStaticRoute function located in /goform/addStaticRoute, allowing attackers to manipulate arguments related to static routes. This manipulation can lead to OS command injection, facilitating potential remote exploitation. The vulnerability has been publicly disclosed, and the vendor has not provided a response concerning this critical issue.

Affected Version(s)

E1700 1.0.0.4.003

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-108894 - Proof of Concept

References

https://vuldb.com/vuln/416686
vdb-entrytechnical-description
https://vuldb.com/vuln/416686/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-108894
third-party-advisory

CVSS V4

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

pjqwudi (VulDB User)
VulDB CNA Team
.