Stack-Based Buffer Overflow in Linksys E1700 Router
CVE-2026-108892

10CRITICAL

Key Information:

Vendor: Linksys
Status: E1700
Vendor: CVE Published:; 12 October 2026

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👾 Exploit Exists🟡 Public PoC

What is CVE-2026-108892?

The Linksys E1700 router version 1.0.0.4.003 is susceptible to a stack-based buffer overflow in the ssid1MACFilter function. This vulnerability arises from improper handling of user input in the newap_text_%d parameter, which can be exploited remotely. Attackers can leverage this flaw to inject malicious payloads, potentially leading to unauthorized access or control over the device. Despite early disclosure to the vendor, there has been no response, leaving users at risk. It is crucial for affected users to implement safeguards and consider updates or mitigation strategies.

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-2026-108892 - Proof of Concept