SD-330AC and AMC Manager provided by silex technology, Inc.

published 2026-04-20 6 mo ago modified 2026-10-26 13 d ago also EUVD-2026-23751

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits: 0; none known

SD-330AC and AMC Manager provided by silex technology, Inc. use a hard-coded cryptographic key. An administrative user may be directed to apply a fake firmware update.

Patch / fix

fixed in 2

silextechnology amc_manager 5.1.0
silextechnology sd-330ac_firmware 1.50

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-111-10 updated 2026-04-21 cvss 6.5

Silex Technology SD-330AC and AMC Manager

Silex Technology AMC Manager <=5.0.2 Silex Technology SD-330AC <=1.42
affected: vendor fix, mitigation “CVE-2026-32958 and CVE-2026-32965: Set a password for the settings web interface.” silex.jp

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 6 mo ago (2026-04-20)

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

silex technology, Inc. SD-330AC
silex technology, Inc. AMC Manager

Classification

Weakness

CWE-321 Use of Hard-coded Cryptographic Key

References

silex.jp /support/security-advisories/en/2026-001
vendor-advisory
silex.jp /support/security-advisories/2026-001
vendor-advisory
jvn.jp /en/vu/JVNVU94271449/
third-party-advisory

Sources

CVE List CVE-2026-32958
NVD CVE-2026-32958

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary