CVE-2026-4558

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 v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/utmost3/cve/issues/1	Exploit Issue Tracking Third Party Advisory
https://vuldb.com/?ctiid.352385	Permissions Required VDB Entry
https://vuldb.com/?id.352385	Third Party Advisory VDB Entry
https://vuldb.com/?submit.775036	Third Party Advisory VDB Entry
https://www.linksys.com/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:linksys:mr9600_firmware:2.0.6.206937:*:*:*:*:*:*:*

cpe:2.3:h:linksys:mr9600:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-22 18:16

Updated : 2026-06-17 10:56

NVD link : CVE-2026-4558

Mitre link : CVE-2026-4558

CVE.ORG link : CVE-2026-4558

JSON object : View

Products Affected

linksys

mr9600_firmware
mr9600

CWE

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')

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