CVE-2026-4558
Last modified
CVE-2026-4558 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A flaw has been found in Linksys MR9600 2.0.6.206937. Affected is the function smartConnectConfigure of the file SmartConnect.lua. EPSS estimates a 3.63% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linksys | Mr9600 Firmware | 2.0.6.206937 |
References
- https://github.com/utmost3/cve/issues/1Exploit, Issue Tracking, Third Party Advisory
- https://vuldb.com/?ctiid.352385Permissions Required, VDB Entry
- https://vuldb.com/?id.352385Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.775036Third Party Advisory, VDB Entry
- https://www.linksys.com/Product
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-4558?
How severe is CVE-2026-4558?
How do I fix CVE-2026-4558?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-45573Decidim is a participatory democracy framework. Prior to 0.3…6.4
- CVE-2026-45574epa4all-client is the Java Client for epa4all / ePA 3.0 in t…8.1
- CVE-2026-45575epa4all-client is the Java Client for epa4all / ePA 3.0 in t…7.4
- CVE-2026-45576zrok is software for sharing web services, files, and networ…7.5
- CVE-2026-45577Neotoma provides versioned records that persist across agent…6.9
- CVE-2026-45578WWBN AVideo is an open source video platform. In 29.0 and ea…8.8
- CVE-2026-45580WWBN AVideo is an open source video platform. In 29.0 and ea…5.4
- CVE-2026-45581fabric-chaincode-java is a Java based implementation of Hype…5.5
- CVE-2026-45582n8n-MCP is an MCP server that provides AI assistants access …6.5
- CVE-2026-45583Improper control of generation of code ('code injection') in…8.1
- CVE-2026-45584Heap-based buffer overflow in Microsoft Defender allows an u…8.1
- CVE-2026-45585Microsoft is aware of a security feature bypass vulnerabilit…6.8
Are you affected by CVE-2026-4558?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
