Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/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:L/VA:L/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
Lifecycle Timeline
5DescriptionCVE.org
SD-330AC and AMC Manager provided by silex technology, Inc. contain an improper neutralization of CRLF sequences ('CRLF Injection') vulnerability. Processing some crafted configuration data may lead to arbitrary entries injected to the system configuration.
AnalysisAI
CRLF injection in Silex Technology SD-330AC and AMC Manager allows unauthenticated remote attackers to inject arbitrary configuration entries via crafted input, degrading system integrity and availability. The vulnerability affects all versions of both products and requires no authentication or user interaction, with public disclosure through JPCERT and vendor advisories indicating elevated awareness in production environments.
Technical ContextAI
CRLF (Carriage Return/Line Feed) injection exploits improper neutralization of sequence characters (CWE-93) in configuration processing pipelines. When user-supplied input is embedded directly into configuration files or system settings without sanitization, attackers can inject CR (\r) and LF (\n) characters to break line boundaries and insert malicious configuration directives. The SD-330AC is a network storage device and AMC Manager is its administrative interface; both parse configuration data in text-based formats vulnerable to line-boundary manipulation. The attack leverages the network-accessible configuration endpoints of these devices to corrupt system state without requiring prior authentication.
RemediationAI
Check the Silex Technology security advisories (https://www.silex.jp/support/security-advisories/en/2026-001) for patched versions specific to your SD-330AC and AMC Manager installations, as exact fix versions are not provided in available data. Apply vendor-released patches or firmware updates immediately upon availability. Immediate compensating controls include: restrict network access to SD-330AC and AMC Manager administrative interfaces using network segmentation or firewall rules-only permit configuration access from trusted management subnets, disabling internet-facing exposure of these services. Disable remote configuration APIs if not required for operational workflows, reducing the attack surface. Implement input validation or Web Application Firewall (WAF) rules to block requests containing CRLF sequences (%0D%0A, carriage return, line feed characters) in configuration parameters, though this may block legitimate but unusual configuration patterns. Monitor system configuration files for unauthorized modifications using file integrity monitoring (FIM) tools, alerting on unexpected changes to device settings. These controls mitigate the immediate risk while patch availability is confirmed.
Remote code execution in silex technology SD-330AC and AMC Manager allows unauthenticated network attackers to execute a
Stack-based buffer overflow in silex technology's SD-330AC (Ver.1.42 and earlier) and AMC Manager (Ver.5.0.2 and earlier
SD-330AC wireless LAN modules and AMC Manager devices from silex technology allow unauthenticated remote attackers to mo
Weak cryptographic implementation in Silex Technology SD-330AC wireless LAN adapters (v1.42 and earlier) and AMC Manager
Authentication bypass in silex technology SD-330AC (≤1.42) and AMC Manager (≤5.0.2) allows remote attackers to gain unau
Unauthenticated arbitrary file upload in Silex Technology SD-330AC and AMC Manager firmware maintenance functions allows
SD-330AC and AMC Manager by Silex Technology lack authentication controls on critical configuration functions, allowing
Heap-based buffer overflow in Silex SD-330AC and AMC Manager packet processing allows remote unauthenticated attackers t
Hard-coded cryptographic keys in Silex Technology SD-330AC and AMC Manager enable attackers to forge firmware updates th
Reflected cross-site scripting (XSS) in Silex Technology SD-330AC and AMC Manager allows remote attackers to execute arb
Same technique Code Injection
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-23757
GHSA-5f3w-cmwx-c9m9