JVNVU#94271449
Multiple vulnerabilities in silex technology SD-330AC and AMC Manager

Overview

SD-330AC and AMC Manager provided by silex technology, Inc. contain multiple vulnerabilities.

Products Affected

• SD-330AC Ver.1.42 and earlier
• AMC Manager Ver.5.0.2 and earlier

Description

SD-330AC and AMC Manager provided by silex technology, Inc. contain multiple vulnerabilities listed below.

• Stack-based buffer overflow in processing the redirect URLs (CWE-121)
  • 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 Base Score 8.7
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Base Score 8.8
  • CVE-2026-32955
• Heap-based buffer overflow in processing the redirect URLs (CWE-122)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Base Score 9.3
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Base Score 9.8
  • CVE-2026-32956
• Missing authentication for critical function on firmware maintenance (CWE-306)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Base Score 6.9
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Base Score 5.3
  • CVE-2026-32957
• Use of hard-coded cryptographic key (CWE-321)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N Base Score 6.9
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Base Score 6.5
  • CVE-2026-32958
• Use of a broken or risky cryptographic algorithm (CWE-327)
  • CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N Base Score 8.2
  • CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Base Score 5.9
  • CVE-2026-32959
• Sensitive information in resource not removed before reuse (CWE-226)
  • 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 Base Score 7.1
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Base Score 6.5
  • CVE-2026-32960
• Heap-based buffer overflow in packet data processing of sx_smpd (CWE-122)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Base Score 6.9
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Base Score 5.3
  • CVE-2026-32961
• Missing authentication for critical device setting function (CWE-306)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Base Score 6.9
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Base Score 5.3
  • CVE-2026-32962
• Reflected cross-site scripting (CWE-79)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Base Score 5.1
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Base Score 6.1
  • CVE-2026-32963
• CRLF injection (CWE-93)
  • 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 Base Score 6.9
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L Base Score 6.5
  • CVE-2026-32964
• Initialization of a resource with an insecure default (CWE-1188)
  • 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 Base Score 8.7
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Base Score 7.5
  • CVE-2026-32965
• Dependency on vulnerable third-party component (CWE-1395)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Base Score 8.7
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Base Score 7.5
  • CVE-2015-5621
• Incorrect privilege assignment (CWE-266)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Base Score 6.9
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Base Score 5.3
  • CVE-2024-24487

Impact

• Arbitrary code may be executed on the device (CVE-2026-32955, CVE-2026-32956)
• Arbitrary file may be uploaded on the device without authentication (CVE-2026-32957)
• An administrative user may be directed to apply a fake firmware update (CVE-2026-32958)
• Information in the traffic may be retrieved via man-in-the-middle attack (CVE-2026-32959)
• An attacker may login to the device without knowing the password by sending a crafted packet (CVE-2026-32960)
• Processing a crafted packet may cause a temporary denial-of-service (DoS) condition (CVE-2026-32961)
• The device configuration may be altered without authentication (CVE-2026-32962)
• When a user logs in to the affected device and access some crafted web page, arbitrary script may be executed on the user's browser (CVE-2026-32963)
• Processing some crafted configuration data may lead to arbitrary entries injected to the system configuration (CVE-2026-32964)
• 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 (CVE-2026-32965)
• The old vulnerable version of net-snmp programs embedded in the device can be exploited by crafted packets, causing a denial-of-service (DoS) condition (CVE-2015-5621)
• No authentication is required to reboot the affected device (CVE-2024-24487)

Solution

Update the Firmware
Update the firmware to the latest version according to the information provided by the developer.
The developer has released the following versions to address this vulnerability.

• SD-330AC firmware Ver.1.50 or later
• AMC Manager Ver.5.1.0 or later