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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.0.2]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "AMC Manager", "source": "cna", "vendor": "silex technology, Inc."}, "product": "amc_manager", "vendor": "silextechnology"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.42]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "SD-330AC", "source": "cna", "vendor": "silex technology, Inc."}, "product": "sd-330ac", "vendor": "silextechnology"}], "analysis": {"en": {"generated_at": "2026-04-20T05:24:37.658206+00:00", "value": {"mitigation_remediation": ["Apply the latest firmware or software patch released by Silex technology, Inc. to the SD-330AC and AMC Manager devices.", "Immediately change the administrator password from the blank default to a strong, unique password and disable any unused default accounts.", "Isolate the devices on a separate VLAN or restrict network access until the patch is applied, to prevent attackers from reaching them while they remain insecure."], "summary": {"action": "Immediate Patch", "impact": "Unauthorized access with full administrative control"}, "threat_synthesis": {"affected_systems": "The vulnerability affects all installations of the SD-330AC switch and the AMC Manager management software produced by Silex technology, Inc. No specific firmware or software versions are listed here, so any unit using the factory\u2011default credentials is potentially vulnerable.", "description_and_impact": "An insecure default configuration in Silex\u2019s SD-330AC and AMC Manager allows a device connected with its factory\u2011default settings to be authenticated using a null (blank) password. If an attacker can reach the device over the network, this flaw gives them unrestricted administrative access, enabling configuration changes or further compromise of the network segment it serves.", "risk_and_exploitability": "The CVSS score of 8.7 indicates a high severity risk. EPSS is not available and the vulnerability is not listed in CISA\u2019s KEV catalog, suggesting that large\u2011scale exploitation has not been widely observed yet. The likely attack vector is a networking attack originating from an internal or remote source that can contact the device before it is secured. An adversary exploiting this flaw could gain full administrative rights and potentially further compromise other devices on the same network."}}}}, "created": "2026-04-20T05:30:44.130528+00:00", "title": "Insecure Default Password Allows Unauthenticated Access on Silex SD\u2011330AC and AMC Manager", "updated": "2026-04-20T14:58:23.698050+00:00", "vendors": ["silextechnology", "silextechnology$PRODUCT$amc_manager", "silextechnology$PRODUCT$sd-330ac"]}