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CVE-2026-4558 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: March 22, 2026

Linksys MR9600 - Command Injection

Published: March 22, 2026Updated: March 22, 2026Remote Exploitable

Overview

Linksys MR9600 2.0.6.206937 contains a command injection caused by manipulation of configApSsid/configApPassphrase/srpLogin/srpPassword arguments in SmartConnect.lua, letting remote attackers execute OS commands, exploit requires no special privileges.

Severity & Score

Severity: High

CVSS Score: 8.8

Impact

Remote attackers can execute arbitrary OS commands, potentially leading to full system compromise.

Mitigation

Update to the latest available version.

References

https://vuldb.com/?submit.775036
https://www.linksys.com/
https://github.com/utmost3/cve/issues/1
https://vuldb.com/?ctiid.352385
https://vuldb.com/?id.352385

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-4558
Severity: High
CVSS Score: 8.8
Type: command_injection
Status: new

CWE

CWE-77

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H