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8.6
CVE-2026-108896: Linksys E1700 allows remote command injection via IPv6 settings
CVE-2026-108896 · published 6 days ago
Summary
The Linksys E1700 router can be tricked into running unauthorized commands when a specially crafted IPv6 prefix is sent to its configuration page. This can be done over the internet, letting an attacker control the device. Apply the latest firmware update or restrict remote access to the router’s web interface to protect your network.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| linksys | e1700 | 1.0.0.4.003 |
Original advisory text
Linksys E1700 setLinksysIpv6 os command injection
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.
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker full control
Severity
8.6
High
Type
CWE-78OS Command Injection
CWE-77Command Injection
Timeline
Published12 Oct 2026
Updated16 Oct 2026
First seen12 Oct 2026
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