{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-32955", "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "state": "PUBLISHED", "assignerShortName": "jpcert", "dateReserved": "2026-03-17T00:23:24.980Z", "datePublished": "2026-04-20T03:19:47.937Z", "dateUpdated": "2026-04-20T03:19:47.937Z"}, "containers": {"cna": {"affected": [{"vendor": "silex technology, Inc.", "product": "SD-330AC", "versions": [{"version": "Ver.1.42 and earlier", "status": "affected"}]}, {"vendor": "silex technology, Inc.", "product": "AMC Manager", "versions": [{"version": "Ver.5.0.2 and earlier", "status": "affected"}]}], "descriptions": [{"lang": "en", "value": "SD-330AC and AMC Manager provided by silex technology, Inc. contain a stack-based buffer overflow vulnerability in processing the redirect URLs. Arbitrary code may be executed on the device."}], "problemTypes": [{"descriptions": [{"description": "Stack-based buffer overflow", "lang": "en-US", "cweId": "CWE-121", "type": "CWE"}]}], "references": [{"url": "https://www.silex.jp/support/security-advisories/en/2026-001"}, {"url": "https://www.silex.jp/support/security-advisories/2026-001"}, {"url": "https://jvn.jp/en/vu/JVNVU94271449/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}, {"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV4_0": {"version": "4.0", "baseSeverity": "HIGH", "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"}}], "providerMetadata": {"orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert", "dateUpdated": "2026-04-20T03:19:47.937Z"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "SD-330AC and AMC Manager provided by silex technology, Inc. contain a stack-based buffer overflow vulnerability in processing the redirect URLs. Arbitrary code may be executed on the device."}], "id": "CVE-2026-32955", "lastModified": "2026-04-20T04:16:29.113", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "vultures@jpcert.or.jp", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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:X/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "vultures@jpcert.or.jp", "type": "Secondary"}]}, "published": "2026-04-20T04:16:29.113", "references": [{"source": "vultures@jpcert.or.jp", "url": "https://jvn.jp/en/vu/JVNVU94271449/"}, {"source": "vultures@jpcert.or.jp", "url": "https://www.silex.jp/support/security-advisories/2026-001"}, {"source": "vultures@jpcert.or.jp", "url": "https://www.silex.jp/support/security-advisories/en/2026-001"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "vultures@jpcert.or.jp", "type": "Primary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-20T05:21:33.023599+00:00", "value": {"mitigation_remediation": ["Apply the firmware or software patch released by Silex for AMC Manager and SD-330AC as documented in the cited security advisory.", "If a patch is not yet available, isolate the devices from untrusted networks or restrict management traffic to only permitted hosts.", "As a temporary workaround, disable or restrict redirect URL support on the devices by disabling the feature through configuration or by implementing firewall rules to block incoming redirect requests.", "Monitor device logs for unusual redirect URL usage and configure alerts for potential exploitation attempts."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "Silex Technology, Inc. products AMC Manager and SD-330AC are affected. No specific version information was provided, so all current releases of these products are considered vulnerable.", "description_and_impact": "A stack-based buffer overflow occurs when the device processes redirect URLs, allowing an attacker to inject and execute arbitrary code with the device\u2019s privileges. The flaw stems from improper bounds checking, and exploitation grants full control over the device, compromising confidentiality, integrity, and availability. Based on the description, any external source that can submit a crafted redirect URL may trigger the overflow.", "risk_and_exploitability": "The CVSS score of 8.7 indicates high severity. While EPSS data is not available, a stack-based buffer overflow enabling remote code execution suggests a realistic likelihood of exploitation if an attacker can contact the device. The vulnerability is not listed in CISA\u2019s KEV catalog. The most probable attack path involves sending a malicious redirect URL from an external host to the device\u2019s management interface, leading to arbitrary code execution."}}}}, "created": "2026-04-20T05:30:44.129476+00:00", "title": "Stack-based Buffer Overflow in Redirect URL Processing Allowing Arbitrary Code Execution", "updated": "2026-04-20T05:30:44.129492+00:00", "vendors": []}