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Sd 330Ac CVE-2026-32965

| EUVDEUVD-2026-23758 HIGH
Initialization of a Resource with an Insecure Default (CWE-1188)
2026-04-20 jpcert GHSA-5842-r2vf-gmxv
Information Disclosure Sd 330Ac Amc Manager
8.7
CVSS 4.0 · NVD
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Severity by source

NVD PRIMARY
8.7 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

7
Analysis Updated
Apr 20, 2026 - 04:30 vuln.today
v2 (cvss_changed)
Re-analysis Queued
Apr 20, 2026 - 04:22 vuln.today
cvss_changed
CVSS changed
Apr 20, 2026 - 04:22 NVD
7.5 (HIGH) 8.7 (HIGH)
Analysis Generated
Apr 20, 2026 - 04:09 vuln.today
EUVD ID Assigned
Apr 20, 2026 - 04:00 euvd
EUVD-2026-23758
Analysis Generated
Apr 20, 2026 - 04:00 vuln.today
CVE Published
Apr 20, 2026 - 03:17 nvd
HIGH 8.7

DescriptionCVE.org

Initialization of a resource with an insecure default vulnerability exists in SD-330AC and AMC Manager provided by silex technology, Inc. When the affected device is connected to the network with the initial (factory-default) configuration, the device can be configured with the null string password.

AnalysisAI

SD-330AC wireless LAN modules and AMC Manager devices from silex technology allow unauthenticated remote attackers to modify device configuration using null-string passwords when devices remain in factory-default state. CVSS:4.0 8.7 (High Vector, High Integrity Impact) rates this as high severity due to network-based attack vector with no authentication required (AV:N/PR:N/UI:N). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Network scan identifies silex devices
Delivery
Access management interface with null password
Exploit
Modify device configuration
Execution
Establish persistence via backdoor account
Impact
Manipulate industrial wireless infrastructure
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Vulnerability AssessmentAI

Exploitation Exploitation requires target SD-330AC or AMC Manager device to be network-accessible AND still configured with factory-default settings (null-string password unchanged from initial deployment). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Real-world risk assessment reveals moderate actual exposure despite high CVSS score. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Attacker scans corporate network ranges to identify silex technology SD-330AC wireless modules or AMC Manager devices via fingerprinting of web management interfaces on common ports. Upon discovering newly-deployed or factory-reset device, attacker submits configuration changes with null-string password authentication, successfully modifying wireless settings, network parameters, or administrative accounts. …
Remediation Immediately change default passwords on all SD-330AC and AMC Manager devices to strong unique credentials following vendor hardening guidelines in security advisory https://www.silex.jp/support/security-advisories/en/2026-001. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Identify and inventory all Silex SD-330AC adapters and AMC Manager instances in your environment using network scanning or asset management systems. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

More in Sd 330Ac

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Weak cryptographic implementation in Silex Technology SD-330AC wireless LAN adapters (v1.42 and earlier) and AMC Manager
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Authentication bypass in silex technology SD-330AC (≤1.42) and AMC Manager (≤5.0.2) allows remote attackers to gain unau
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Unauthenticated arbitrary file upload in Silex Technology SD-330AC and AMC Manager firmware maintenance functions allows
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SD-330AC and AMC Manager by Silex Technology lack authentication controls on critical configuration functions, allowing

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CRLF injection in Silex Technology SD-330AC and AMC Manager allows unauthenticated remote attackers to inject arbitrary

CVE-2026-32961 MEDIUM
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Heap-based buffer overflow in Silex SD-330AC and AMC Manager packet processing allows remote unauthenticated attackers t
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Hard-coded cryptographic keys in Silex Technology SD-330AC and AMC Manager enable attackers to forge firmware updates th
CVE-2026-32963 MEDIUM
5.1 Apr 20

Reflected cross-site scripting (XSS) in Silex Technology SD-330AC and AMC Manager allows remote attackers to execute arb

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CVE-2026-32965 vulnerability details – vuln.today
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