CVE-2026-32961: sd-330ac Heap Overflow — Fix

Description

SD-330AC and AMC Manager provided by silex technology, Inc. contain a heap-based buffer overflow vulnerability in packet data processing of sx_smpd. Processing a crafted packet may cause a temporary denial-of-service (DoS) condition.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS — Exploit Prediction

0.0003

Probability of exploitation

0.08%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-122 CWE-122

Affected Products

Vendor	Product	Versions
silextechnology	sd-330ac_firmware	< 1.50
silextechnology	sd-330ac	All
silextechnology	amc_manager	< 5.1.0

References

Advisories & Patches

https://www.silex.jp/support/security-advisories/2026-001 https://www.silex.jp/support/security-advisories/en/2026-001

Other References

https://jvn.jp/en/vu/JVNVU94271449/

Frequently Asked Questions

What is CVE-2026-32961? +

SD-330AC and AMC Manager provided by silex technology, Inc. contain a heap-based buffer overflow vulnerability in packet data processing of sx_smpd. Processing a crafted packet may cause a temporary denial-of-service (DoS) condition. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-32961? +

CVE-2026-32961 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0003, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-32961? +

CVE-2026-32961 affects products from silextechnology, specifically: amc_manager, sd-330ac, sd-330ac_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-32961? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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