CVE-2026-4558CWE-77CWE-78

Linksys MR9600 SmartConnect.lua smartConnectConfigure os command injection

High · published March 22, 2026

CVSS v4.0
8.7
EPSS
8%
Percentile
94.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.08055 · 94.8th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-03-22T17:29Z
EPSS history
Timeline
  • 22 MAR 17:29Z
    Linksys MR9600 SmartConnect.lua smartConnectConfigure os command injection
    cvelistv5