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PatchSiren cyber security CVE debrief

CVE-2026-32962 silex technology, Inc. CVE debrief

CVE-2026-32962 affects Silex Technology SD-330AC firmware up to 1.42 and AMC Manager up to 5.0.2. CISA describes the issue as a missing authentication for a critical function that could let an attacker alter device configuration without authentication. The advisory rates the issue CVSS v3.1 5.3 (Medium) and identifies a network-based, low-complexity attack path with integrity impact only.

Vendor
silex technology, Inc.
Product
Silex Technology SD-330AC <=1.42 AMC Manager <=5.0.2
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-21
Original CVE updated
2026-04-21
Advisory published
2026-04-21
Advisory updated
2026-04-21

Who should care

Organizations that deploy or administer Silex Technology SD-330AC devices or AMC Manager, especially teams responsible for device configuration, network segmentation, and patch management.

Technical summary

The published advisory states that authentication is missing for a critical function in Silex Technology SD-330AC and AMC Manager, allowing unauthorized configuration changes. The affected versions listed in the source are SD-330AC firmware 1.42 and earlier, and AMC Manager 5.0.2 and earlier. CISA lists the CVSS v3.1 vector as AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Defensive priority

Medium. The vulnerability is remotely reachable according to the CVSS vector and can affect device integrity, but the published score is moderate and no confidentiality or availability impact is listed.

Recommended defensive actions

  • Upgrade SD-330AC firmware to version 1.50 or later.
  • Upgrade AMC Manager to version 5.1.0 or later.
  • Review device access controls and restrict management interfaces to trusted administrative networks.
  • Verify whether any configuration changes occurred unexpectedly before and after patching.
  • Use the linked vendor and JPCERT/CC advisories to confirm device-specific remediation steps.

Evidence notes

All core facts in this debrief come from the CISA CSAF advisory for ICSA-26-111-10 and its listed remediation entries. The source explicitly states a missing authentication for critical function, the affected product/version ranges, and the fixed versions. The timeline used here is the advisory publication date of 2026-04-21; no later generation or review date is treated as the CVE issue date.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-32962 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-32962

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-32962 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-32962

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-111-10.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-26-111-10

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/resources-tools/resources/ics-recommended-practices

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/topics/industrial-control-systems

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ncas/tips/ST04-014

    Reference

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.