AUGUST 4, 2026
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Case File

CVE-2026-4558

HIGH · CVSS 8.8 EPSS 4.34% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-03-22 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit
GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-4558
Severity
HIGH
CVSS
8.8
EPSS
4.34%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)