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Sd 330Ac CVE-2026-32960

| EUVDEUVD-2026-23753 HIGH
Sensitive Information in Resource Not Removed Before Reuse (CWE-226)
2026-04-20 jpcert GHSA-g7hc-x6qw-m35g
Information Disclosure Sd 330Ac Amc Manager
7.1
CVSS 4.0 · NVD
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Severity by source

NVD PRIMARY
7.1 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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:P/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
P
Scope
X

Lifecycle Timeline

8
Analysis Updated
Apr 20, 2026 - 04:30 vuln.today
v2 (cvss_changed)
Re-analysis Queued
Apr 20, 2026 - 04:22 vuln.today
cvss_changed
Severity Changed
Apr 20, 2026 - 04:22 NVD
MEDIUM HIGH
CVSS changed
Apr 20, 2026 - 04:22 NVD
6.5 (MEDIUM) 7.1 (HIGH)
Analysis Generated
Apr 20, 2026 - 04:10 vuln.today
EUVD ID Assigned
Apr 20, 2026 - 04:00 euvd
EUVD-2026-23753
Analysis Generated
Apr 20, 2026 - 04:00 vuln.today
CVE Published
Apr 20, 2026 - 03:18 nvd
HIGH 7.1

DescriptionCVE.org

SD-330AC and AMC Manager provided by silex technology, Inc. contain an issue with a sensitive information in resource not removed before reuse. An attacker may login to the device without knowing the password by sending a crafted packet.

AnalysisAI

Authentication bypass in silex technology SD-330AC (≤1.42) and AMC Manager (≤5.0.2) allows remote attackers to gain unauthorized access by sending specially crafted packets that exploit residual sensitive data in memory. Attacker can log in without valid credentials due to improper clearance of authentication tokens or session data between requests. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Gain network access to management interface
Delivery
Monitor for legitimate user activity
Exploit
Send crafted packet during memory reuse window
Execution
Bypass authentication via stale credential data
Persist
Gain administrative access
Impact
Modify device configuration or exfiltrate network data
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Vulnerability AssessmentAI

Exploitation Requires network access to SD-330AC management interface or AMC Manager web console. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Real-world risk is moderate despite the 7.1 CVSS score. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Attacker on the same network as SD-330AC device monitors legitimate administrator login traffic to establish timing patterns. When admin initiates a session, attacker sends crafted authentication packet designed to reference residual session tokens or credential hashes left in memory from the prior allocation cycle. …
Remediation Upgrade SD-330AC devices to firmware version 1.43 or later, and upgrade AMC Manager to version 5.0.3 or later per silex technology security advisory 2026-001 (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 access points and AMC Manager instances in your environment. …

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

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CVE-2026-32960 vulnerability details – vuln.today
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