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CVE-2026-32957 is a missing authentication for critical function vulnerability in the firmware maintenance functionality of Silex Technology SD-330AC and AMC Manager. The flaw allows an unauthenticated attacker to upload arbitrary files to the device through the firmware maintenance mechanism without first authenticating. Affected versions are SD-330AC firmware 1.42 and earlier and AMC Manager 5.0.2 and earlier. The issue is part of the BRIDGE:BREAK vulnerability set affecting serial-to-IP and serial-to-Ethernet infrastructure used in industrial and operational environments.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A missing authentication flaw in Silex firmware maintenance functionality that allows unauthenticated arbitrary file upload.
An arbitrary file upload vulnerability affecting the discussed serial-to-IP converter products.
A missing authentication vulnerability for a critical firmware maintenance function affecting silex technology SD-330AC and AMC Manager.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.