CVE-2026-108896 Linksys E1700 - Command Injection

Linksys E1700 1.0.0.4.003 contains a command injection caused by manipulation of _6rd_prefix/_6rd_prefix_len arguments in /goform/setLinksysIpv6, letting remote attackers execute OS commands, exploit requires no special privileges.

CVSS base score 9.9 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
2.20% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
12 October 2026
Updated
15 October 2026
Weakness
CWE-77

Vendor fix

Update to the latest version or apply vendor patches when available.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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