{"id":"CVE-2026-4558","state":"PUBLISHED","title":"Linksys MR9600 SmartConnect.lua smartConnectConfigure os command injection","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.","publishedAt":"2026-03-22T17:29:35.187Z","updatedAt":"2026-03-23T16:06:52.992Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"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","source":"VulDB"},"assigner":"VulDB","products":["Linksys MR9600"],"affected":[{"vendor":"Linksys","product":"MR9600","versions":[{"version":"2.0.6.206937","status":"affected"}],"cpes":["cpe:2.3:o:linksys:mr9600_firmware:*:*:*:*:*:*:*:*"]}],"references":["https://vuldb.com/?id.352385","https://vuldb.com/?ctiid.352385","https://vuldb.com/?submit.775036","https://github.com/utmost3/cve/issues/1","https://www.linksys.com/"],"weaknesses":["CWE-78","CWE-77"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/4xxx/CVE-2026-4558.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-4558","state":"PUBLISHED","datePublished":"2026-03-22T17:29:35.187Z","dateUpdated":"2026-03-23T16:06:52.992Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-03-21T20:47:50.172Z"},"containers":{"cna":{"title":"Linksys MR9600 SmartConnect.lua smartConnectConfigure os command injection","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Linksys","product":"MR9600","versions":[{"version":"2.0.6.206937","status":"affected"}],"cpes":["cpe:2.3:o:linksys:mr9600_firmware:*:*:*:*:*:*:*:*"]}],"references":[{"url":"https://vuldb.com/?id.352385","name":"VDB-352385 | Linksys MR9600 SmartConnect.lua smartConnectConfigure os command injection","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.352385","name":"VDB-352385 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.775036","name":"Submit #775036 | Linksys MR9600 firmware 2.0.6.206937 OS Command Injection","tags":["third-party-advisory"]},{"url":"https://github.com/utmost3/cve/issues/1","tags":["exploit","issue-tracking"]},{"url":"https://www.linksys.com/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":8.7,"vectorString":"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","baseSeverity":"HIGH"}},{"cvssV3_1":{"version":"3.1","baseScore":8.8,"vectorString":"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","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":8.8,"vectorString":"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","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":9,"vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","type":"CWE","lang":"en","description":"OS Command Injection"}]},{"descriptions":[{"cweId":"CWE-77","type":"CWE","lang":"en","description":"Command Injection"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-03-22T17:29:35.187Z"},"timeline":[{"time":"2026-03-21T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-03-21T01:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-03-21T21:52:56.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"wuuu (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB","type":"coordinator"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-23T16:06:42.703555Z","id":"CVE-2026-4558","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-23T16:06:52.992Z"}}]}}}