A vulnerability classified as critical was found in silex SD-330AC and AMC Manager . This issue affects some unknown processing of the component Redirect URL Handler . Such manipulation leads to heap-based buffer overflow. This vulnerability is traded as CVE-2026-32956 . The attack can be executed directly on the physical device. There is no exploit available. Upgrading the affected component is advised.
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✦ AI Summary· Claude Sonnet
VDB-358275 · CVE-2026-32956 · GCVE-0-2026-32956
SILEX SD-330AC/AMC MANAGER REDIRECT URL HEAP-BASED OVERFLOW
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
8.1 $0-$5k 3.65
Summaryinfo
A vulnerability, which was classified as critical, has been found in silex SD-330AC and AMC Manager. Impacted is an unknown function of the component Redirect URL Handler. Performing a manipulation results in heap-based overflow. This vulnerability is known as CVE-2026-32956. The attack may be carried out on the physical device. No exploit is available. It is advisable to upgrade the affected component.
Detailsinfo
A vulnerability, which was classified as critical, was found in silex SD-330AC and AMC Manager (affected version unknown). This affects an unknown functionality of the component Redirect URL Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
SD-330AC and AMC Manager provided by silex technology, Inc. contain a heap-based buffer overflow vulnerability in processing the redirect URLs. Arbitrary code may be executed on the device.
It is possible to read the advisory at silex.jp. This vulnerability is uniquely identified as CVE-2026-32956 since 03/17/2026. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.
Upgrading eliminates this vulnerability.
Productinfo
Vendor
silex
Name
AMC Manager
SD-330AC
CPE 2.3info
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CPE 2.2info
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CVSSv4info
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3info
VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1
VulDB Base Score: 6.8
VulDB Temp Score: 6.5
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 9.8
CNA Vector (jpcert): 🔒
CVSSv2info
Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploitinginfo
Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: Yes
Local: Yes
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
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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-2026-32956 (🔒)
GCVE (CVE): GCVE-0-2026-32956
GCVE (VulDB): GCVE-100-358275
Entryinfo
Created: 04/20/2026 06:59
Changes: 04/20/2026 06:59 (74)
Complete: 🔍
Cache ID: 99:AF4:101
Discussion
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