CVE-2026-4558 Details
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.
A command injection vulnerability has been identified in the Linksys MR9600 router running firmware version 2.0.6.206937. The issue arises in the SmartConnect.lua file, specifically within the smartConnectConfigure function. This vulnerability allows remote execution of operating system commands by manipulating the configApSsid, configApPassphrase, srpLogin, and srpPassword parameters. The injected commands are executed with root privileges, leading to a full compromise of the device.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 23, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/utmost3/cve/issues/1 | [email protected] | ExploitIssue TrackingThird Party Advisory |
| https://vuldb.com/?ctiid.352385 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.352385 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.775036 | [email protected] | Third Party AdvisoryVDB Entry |
| https://www.linksys.com/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | [email protected] |
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linksys mr9600 firmware | 2.0.6.206937 |
CPE
Remediation
| |
| linksys mr9600 | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 30, 2026 | Initial Analysis | [email protected] |
| Mar 22, 2026 | New CVE Received | [email protected] |