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Mallory
Critical

Heap-based Buffer Overflow in Silex SD-330AC and AMC Manager Redirect URL Processing

IdentifiersCVE-2026-32956CWE-122· Heap-based Buffer Overflow

CVE-2026-32956 is a heap-based buffer overflow affecting Silex Technology SD-330AC and AMC Manager. The flaw occurs during processing of redirect URLs. According to the provided advisory context, improper handling of redirect URL data can corrupt heap memory and permit arbitrary code execution on the affected device. The issue is remotely exploitable and is described with CVSS v3.1 vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating network attack surface, low attack complexity, no privileges required, and no user interaction.

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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 can result in arbitrary code execution on the affected device. Given the CVSS characteristics and advisory language, compromise can lead to full loss of confidentiality, integrity, and availability of the device, including device takeover, execution of attacker-controlled code, disruption of service, and use of the device as a foothold for further activity in the environment.

Mitigation

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

If immediate patching is not possible, the advisory recommends disabling HTTP/HTTPS service as a workaround for CVE-2026-32956. More generally, avoid exposing affected management interfaces to untrusted networks until updates are applied.

Remediation

Patch, then assume compromise.

Update affected products to the fixed versions identified in the advisory: SD-330AC firmware version 1.50 or later and AMC Manager version 5.1.0 or later.
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

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What this page doesn’t show

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Exposure mapping

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Threat actor evidence

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Associated malware

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Detection signatures

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Vendor-by-vendor mapping

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

Social activity5

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