CVE-2026-4558

CWE-77 — Command InjectionCWE-78 — OS Command Injection3 documents3 sources
Severity
7.4HIGH
EPSS
0.2%
top 57.56%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Linksys Mr9600
Timeline
PublishedMar 22

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.

CVSS 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

Affected Packages1 packages

▶CVEListV5linksys/mr96002.0.6.206937

🔴Vulnerability Details

2
GHSA
GHSA-c659-rvfg-wgf8: A flaw has been found in Linksys MR9600 2↗2026-03-22
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CVEList
Linksys MR9600 SmartConnect.lua smartConnectConfigure os command injection↗2026-03-22
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CVE-2026-4558 (HIGH CVSS 7.4) | A flaw has been found in Linksys MR | cvebase.io