Heap-based Buffer Overflow in sx_smpd Packet Processing
CVE-2026-32961 is a heap-based buffer overflow in packet data processing performed by the sx_smpd component in Silex Technology SD-330AC and AMC Manager. The issue is triggered when the affected software processes a specially crafted packet, causing memory corruption on the heap. The provided advisory context identifies the flaw specifically in packet data processing of sx_smpd and classifies it as CWE-122. Affected versions are SD-330AC firmware 1.42 and earlier and AMC Manager 5.0.2 and earlier.
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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.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability described as enabling remote code execution and also associated with denial-of-service impact in the affected serial-to-IP converter products.
A heap-based buffer overflow in packet data processing of sx_smpd affecting silex technology SD-330AC and AMC Manager.
The version that knows your environment.
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.