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CVE-2026-4558

Linksys MR9600 SmartConnect.lua smartConnectConfigure os command injection

Published: Mar 22, 2026Updated: Apr 30, 2026 Sources: CVE List NVDCWE-77
NVD MITRE
8.8CVSSHIGH
EPSS Score
3.6%
Top 11.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-77CWE-78

Affected Products

mr9600 firmwarelinksysNetworking Infrastructure
MR9600LinksysNetworking Infrastructure
linksyscommercialUSNetworking Infrastructureaka linksys by cisco

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://github.com/utmost3/cve/issues/1
github.com
https://vuldb.com/?ctiid.352385
vuldb.com
https://vuldb.com/?id.352385
vuldb.com
and 2 more references View all →

Timeline

Published
Mar 22, 2026
Last Updated
Apr 30, 2026

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