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A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.

TouchLink packets processed after timeout or out of range due to Operation on a Resource after Expiration and Missing Release of Resource after Effective Lifetime may allow a device to be added outside of valid TouchLink range or pairing duration This issue affects Ember ZNet…

In Silicon Labs uC/TCP-IP 3.6.0, TCP ISNs are improperly random.

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Out-of-bounds Write, Download of Code Without Integrity Check vulnerability in Silicon Labs Gecko Bootloader on ARM (Firmware Update File Parser modules) allows Code Injection, Authentication Bypass.This…

Buffer overflow in Wi-Fi Commissioning MicriumOS example in Silicon Labs Gecko SDK v4.2.3 or earlier allows connected device to write payload onto the stack.

Description: A vulnerability in SiLabs Unify Gateway 1.3.1 and earlier allows an unauthenticated attacker within Z-Wave range to overflow a stack buffer, leading to arbitrary code execution.

Description: A vulnerability in SiLabs Z/IP Gateway 7.18.01 and earlier allows an unauthenticated attacker within Z-Wave range to overflow a stack buffer, leading to arbitrary code execution.

A logic error in SiLabs Z/IP Gateway SDK 7.18.02 and earlier allows authentication to be bypassed, remote administration of Z-Wave controllers, and S0/S2 encryption keys to be recovered.

Due to improper input validation, a buffer overflow vulnerability is present in Zigbee EZSP Host Applications. If the buffer overflows, stack corruption is possible. In certain conditions, this could lead to arbitrary code execution. Access to a network key is required to…

After receiving a malformed 802.15.4 MAC Data Request the Zigbee Coordinator sends a ‘network leave’ request to Zigbee router resulting in the Zigbee Router getting stuck in a non-rejoinable state. If a suitable parent is not available, the end devices will be unable to…

An unvalidated input in Silicon Labs TrustZone implementation in v4.3.x and earlier of the Gecko SDK allows an attacker to access the trusted region of memory from the untrusted region.

An unvalidated input in a library function responsible for communicating between secure and non-secure memory in Silicon Labs TrustZone implementation allows reading/writing of memory in the secure region of memory from the non-secure region of memory.

A memory corruption vulnerability exists in the HTTP Server Host header parsing functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted network packet can lead to code execution. An attacker can send a malicious packet to trigger this vulnerability.

A memory corruption vulnerability exists in the HTTP Server header parsing functionality of Weston Embedded uC-HTTP v3.01.01. Specially crafted network packets can lead to code execution. An attacker can send a malicious packet to trigger this vulnerability.

A memory corruption vulnerability exists in the HTTP Server form boundary functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted network packet can lead to code execution. An attacker can send a malicious packet to trigger this vulnerability.

A heap-based buffer overflow vulnerability exists in the HTTP Server form boundary functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted network packet can lead to code execution. An attacker can send a malicious packet to trigger this vulnerability.

A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted set of network packets can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.

Heap based buffer overflow in HTTP Server functionality in Micrium uC-HTTP 3.01.01 allows remote code execution via HTTP request.

An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the bonded device and creating a new bond.

Silicon Labs Gecko OS HTTP Request Handling Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon Labs Gecko OS. Authentication is not required to…

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon Labs Gecko OS. Authentication is not required to exploit this vulnerability.  The specific flaw exists within the handling of HTTP GET requests. The issue…

An issue in Silicon Labs Z-Wave Series 500 v6.84.0 allows attackers to execute arbitrary code.

Insecure permissions in Silicon Labs (SiLabs) Z-Wave Series 700 and 800 v7.21.1 allow attackers to create a fake node via supplying crafted packets.

Silicon Labs Gecko OS Debug Interface Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon Labs Gecko OS. Authentication is not required to exploit…

The vulnerability described by CVE-2023-0972 has been additionally discovered in Silicon Labs Z-Wave end devices. This vulnerability may allow an unauthenticated attacker within Z-Wave range to overflow a stack buffer, leading to arbitrary code execution.

Z-Wave devices based on Silicon Labs 100, 200, and 300 series chipsets do not support encryption, allowing an attacker within radio range to take control of or cause a denial of service to a vulnerable device. An attacker can also capture and replay Z-Wave traffic. Firmware…

Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow via packet data. This is an over-the-air remote code execution vulnerability in Bluetooth LE in EFR32 SoCs and associated modules running Bluetooth SDK, supporting Central or Observer roles.

Wi-SUN unexpected 4- Way Handshake packet receptions may lead to predictable keys and potentially leading to Man in the middle (MitM) attack

DLL hijacking vulnerabilities, caused by an uncontrolled search path in the USBXpress Win 98SE Dev Kit installer can lead to privilege escalation and arbitrary code execution when running the impacted installer.

DLL hijacking vulnerabilities, caused by an uncontrolled search path in the USBXpress SDK installer can lead to privilege escalation and arbitrary code execution when running the impacted installer.

DLL hijacking vulnerabilities, caused by an uncontrolled search path in the USBXpress Dev Kit installer can lead to privilege escalation and arbitrary code execution when running the impacted installer.

DLL hijacking vulnerabilities, caused by an uncontrolled search path in the  ToolStick installer can lead to privilege escalation and arbitrary code execution when running the impacted installer.

DLL hijacking vulnerabilities, caused by an uncontrolled search path in Flash Programming Utility installer can lead to privilege escalation and arbitrary code execution when running the impacted installer.

DLL hijacking vulnerabilities, caused by an uncontrolled search path in Configuration Wizard 2 installer can lead to privilege escalation and arbitrary code execution when running the impacted installer.

DLL hijacking vulnerabilities, caused by an uncontrolled search path in Silicon Labs (8-bit) IDE installer can lead to privilege escalation and arbitrary code execution when running the impacted installer.

Out-of-Bounds error in GBL parser in Silicon Labs Gecko Bootloader version 4.0.1 and earlier allows attacker to overwrite flash Sign key and OTA decryption key via malicious bootloader upgrade.

Z-Wave devices from Sierra Designs (circa 2013) and Silicon Labs (using S0 security) may use a known, shared network key of all zeros, allowing an attacker within radio range to spoof Z-Wave traffic.

A buffer Overflow vulnerability in Silicon Labs 500 Series Z-Wave devices may allow Denial of Service, and potential Remote Code execution This issue affects all versions of Silicon Labs 500 Series SDK prior to v6.85.2 running on Silicon Labs 500 series Z-wave devices.

Missing MAC layer security in Silicon Labs Wi-SUN Linux Border Router v1.5.2 and earlier allows malicious node to route malicious messages through network.

Missing MAC layer security in Silicon Labs Wi-SUN SDK v1.5.0 and earlier allows malicious node to route malicious messages through network.

The Z-Wave specification requires that S2 security can be downgraded to S0 or other less secure protocols, allowing an attacker within radio range during pairing to downgrade and then exploit a different vulnerability (CVE-2013-20003) to intercept and spoof traffic.

Z-Wave devices based on Silicon Labs 500 series chipsets using CRC-16 encapsulation, including but likely not limited to the Linear LB60Z-1 version 3.5, Dome DM501 version 4.26, and Jasco ZW4201 version 4.05, do not implement encryption or replay protection.

An out-of-bounds write vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted network packet can lead to memory corruption. An attacker can send a network request to trigger this vulnerability.

An integer overflow in Silicon Labs Gecko Bootloader version 4.3.1 and earlier allows unbounded memory access when reading from or writing to storage slots.

The Simplicity Device Manager Tool has a Reflected XSS (Cross-site-scripting) vulnerability in several API endpoints. The attacker needs to be on the same network to execute this attack. These APIs can affect confidentiality, integrity, and availability of the system that has…

When SmartStart Inclusion fails during the onboarding of a Z-Wave PIR sensor, the sensor will join the network as a non-secure device. This vulnerability exists in Silicon Labs' Z-Wave PIR Sensor Reference design delivered as part of SiSDK v2025.6.0 and v2025.6.1.

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon Labs Gecko OS. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the http_download command. The…

In SiWx91x devices, the SHA2/224 algorithm returns a hash of 256 bits instead of 224 bits. This incorrect hash length triggers a software assertion, which subsequently causes a Denial of Service (DoS). If a watchdog is implemented, device will restart after watch dog expires. If…

An unauthenticated IEEE 802.15.4 'co-ordinator realignment' packet can be used to force Zigbee nodes to change their network identifier (pan ID), leading to a denial of service. This packet type is not useful in production and should be used only for PHY qualification.

A bug in Micrium OS Network HTTP Server permits an invalid pointer dereference during header processing - potentially allowing a device crash and Denial of Service.