CyberSecBulletin
CVE-2026-32965NVD status: Analyzed

SD-330AC: Initialization of a Resource with an Insecure Default

CVE-2026-32965 is a high-severity initialization of a resource with an insecure default vulnerability in SD-330AC from Silex Technology, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected SD-330AC versions: Ver.1.42 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.35% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Sd-330ac Firmware to 1.50 or a later version.
  2. Read the advisory on silex.jp for workarounds and exact fixed builds.
  3. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
Silex TechnologySD-330ACVer.1.42 and earlierNot stated
Silex TechnologyAMC ManagerVer.5.0.2 and earlierNot stated
SilextechnologySd-330ac Firmwarebefore 1.501.50

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
NoneNo data is disclosed.
Integrity
HighData or code can be modified at will.
Availability
NoneAvailability is not affected.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. Scored by CNA (jpcert.or.jp).

Scoring systemScoreSeverityScored by
CVSS 4.08.7HighCNA (jpcert.or.jp)
CVSS 3.17.5HighCNA (jpcert.or.jp)

Official description

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.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Initialization of a Resource with an Insecure Default

The product initializes or sets a resource with a default that is intended to be changed by the product's installer, administrator, or maintainer, but the default is not secure.

More Initialization of a Resource with an Insecure Default vulnerabilities (CWE-1188)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Third-party and government advisories

Other vulnerabilities in SD-330AC

All SD-330AC vulnerabilities

Recent Initialization of a Resource with an Insecure Default vulnerabilities

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