Medium

Missing Authentication for Critical Device Setting Function in Silex SD-330AC and AMC Manager

IdentifiersCVE-2026-32962CWE-306· Missing Authentication for…

CVE-2026-32962 is a missing authentication for critical function vulnerability affecting Silex Technology SD-330AC and AMC Manager. The issue allows access to a critical device setting or configuration function without requiring authentication. According to the provided content, an attacker can alter device configuration information without being authenticated. The affected products are SD-330AC version 1.42 and earlier and AMC Manager version 5.0.2 and earlier.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows unauthorized modification of device configuration. This can result in configuration tampering on the affected serial-to-IP converter and management software, potentially undermining device integrity and operational trust. In industrial or operational environments, unauthorized configuration changes could disrupt communications, facilitate further compromise, or support broader device takeover scenarios depending on how the altered settings are used.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, reduce exposure of the management interface and avoid direct internet exposure of affected devices. The provided content also notes general hardening guidance for these products and related issues, including network segmentation and use of strong passwords. However, no CVE-2026-32962-specific workaround beyond updating is explicitly provided in the content.

Remediation

Patch, then assume compromise.

Update Silex SD-330AC to firmware version 1.50 or later and update AMC Manager to version 5.1.0 or later, as recommended in the provided advisory content.

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

Silex TechnologyAmc Managerapplication

Silex TechnologySd-330achardware

SilextechnologyAmc Managerapplication

SilextechnologySd-330ac Firmwareoperating_system

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

3 SOURCESView more in app

the hacker newsNews

Apr 21, 2026

22 BRIDGE:BREAK Flaws Expose Thousands of Lantronix and Silex Serial-to-IP Converters

A configuration tampering vulnerability affecting the discussed serial-to-IP converter products.

jvn japanNews

Apr 20, 2026

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

A missing authentication vulnerability for a critical device setting function affecting silex technology SD-330AC and AMC Manager.

What this page doesn’t show

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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity