CVE-2026-4558

High

Description

A flaw has been found in Linksys MR9600 2.0.6.206937. Affected is the function smartConnectConfigure of the file SmartConnect.lua. Executing a manipulation of the argument configApSsid/configApPassphrase/srpLogin/srpPassword can lead to os command injection. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

SeverityHigh
CVSS8.8
Exploit probability—
ProductLinksys Mr9600 Firmware
PublishedMar 22, 2026
First seenMar 22, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
linksys mr9600_firmware2.0.6.206937—

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