CVE-2026-4558

HIGH EPSS 88.1%
Published Mar 22, 20263mo ago · Modified Jun 17, 20261w ago
7.4 CVSS 4.0
High
Find Similar
Published Mar 22, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
7.4
Exploitability
—
Impact
—
Vector string
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
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
88.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-77 Command Injection Injection
CWE-78 OS Command Injection Injection

Affected Products 2

VendorProductVersionRange
linksysmr9600_firmware2.0.6.206937any
linksysmr9600*any

References 5

  • github.com https://github.com/utmost3/cve/issues/1
    ExploitIssue TrackingThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.352385
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.352385
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.775036
    Third Party AdvisoryVDB Entry
  • linksys.com https://www.linksys.com/
    Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.