CVE-2026-4558 (GCVE-0-2026-4558)

Vulnerability from cvelistv5 – Published: 2026-03-22 17:29 – Updated: 2026-03-23 16:06
VLAI
Title
Linksys MR9600 SmartConnect.lua smartConnectConfigure os command injection
Summary
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.
Severity
8.7 (High)
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
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.352385 vdb-entrytechnical-description
https://vuldb.com/?ctiid.352385 signaturepermissions-required
https://vuldb.com/?submit.775036 third-party-advisory
https://github.com/utmost3/cve/issues/1 exploitissue-tracking
https://www.linksys.com/ product
Impacted products
Vendor Product Version
Linksys MR9600 Affected: 2.0.6.206937
    cpe:2.3:o:linksys:mr9600_firmware:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
wuuu (VulDB User) VulDB
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.