CVE-2026-4558HIGH 8.8EPSS p88.1%

CVE-2026-4558CVE-2026-4558

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.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS3.63% probability of exploitation · percentile 88.1% · 2026-06-19T12:03:05Z
Published2026-03-22
Last modified2026-04-30

Underlying weaknesses· 2

CWE-77CWE-78

References

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

2

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements used in a Command ('Command Injection')cwe-770%live
WeaknessImproper Neutralization of Special Elements used in an OS Command ('OS Command Injection')cwe-780%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.