VDB-358281 · CVE-2026-32958 · GCVE-0-2026-32958

silex SD-330AC/AMC Manager Firmware Update hard-coded key

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in silex SD-330AC and AMC Manager. It has been rated as problematic. Affected by this vulnerability is an unknown functionality of the component Firmware Update Handler. Performing a manipulation results in hard-coded key. This vulnerability is identified as CVE-2026-32958. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in silex SD-330AC and AMC Manager (version unknown). This affects an unknown function of the component Firmware Update Handler. The manipulation with an unknown input leads to a hard-coded key vulnerability. CWE is classifying the issue as CWE-321. The use of a hard-coded cryptographic key significantly increases the possibility that encrypted data may be recovered. This is going to have an impact on integrity. The summary by CVE is:

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.

The advisory is shared at silex.jp. This vulnerability is uniquely identified as CVE-2026-32958 since 03/17/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600.001 for this issue.

Upgrading eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

silex

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (jpcert): 🔒

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Hard-coded key
CWE: CWE-321 / CWE-320
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/17/2026 CVE reserved
04/20/2026 +33 days Advisory disclosed
04/20/2026 +0 days VulDB entry created
04/20/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: silex.jp
Status: Confirmed

CVE: CVE-2026-32958 (🔒)
GCVE (CVE): GCVE-0-2026-32958
GCVE (VulDB): GCVE-100-358281

Entryinfo

Created: 04/20/2026 07:02
Changes: 04/20/2026 07:02 (73)
Complete: 🔍
Cache ID: 216::103