LIVE FEED
A proposed class action accuses University Hospitals of negligence after an October 22 cyberattack that took its MyChart portal offline; the Cleveland patient's suit, filed October 28, claims more than a million records were exposed, a number University Hospitals has not confirmed. University of New Mexico Health Sciences Center disclosed a cyberattack October 26 that diverted ambulances for about two hours; the BYOD extortion group claims it compromised 36,000 systems, a figure UNM has not confirmed. Philips updated its Node2Shell advisory October 27 for CVE-2026-111497, the Node.js Brotli decoder flaw it first flagged October 26 against PIC iX 4.x; the advisory still names no impacted products or fixed version. Philips updated its PHP2Shell advisory October 27 for CVE-2026-109618 and CVE-2026-109619, adding five more affected products including IntelliSpace Portal V12 and Philips Axon to the seven already listed. NorthShore Health Centers disclosed a data breach to patients October 27, one of several Midwest provider notifications issued that week. Denver Health Medical Plan notified more than 238,000 members October 26 about a vendor-related data incident. A proposed class action accuses University Hospitals of negligence after an October 22 cyberattack that took its MyChart portal offline; the Cleveland patient's suit, filed October 28, claims more than a million records were exposed, a number University Hospitals has not confirmed. University of New Mexico Health Sciences Center disclosed a cyberattack October 26 that diverted ambulances for about two hours; the BYOD extortion group claims it compromised 36,000 systems, a figure UNM has not confirmed. Philips updated its Node2Shell advisory October 27 for CVE-2026-111497, the Node.js Brotli decoder flaw it first flagged October 26 against PIC iX 4.x; the advisory still names no impacted products or fixed version. Philips updated its PHP2Shell advisory October 27 for CVE-2026-109618 and CVE-2026-109619, adding five more affected products including IntelliSpace Portal V12 and Philips Axon to the seven already listed. NorthShore Health Centers disclosed a data breach to patients October 27, one of several Midwest provider notifications issued that week. Denver Health Medical Plan notified more than 238,000 members October 26 about a vendor-related data incident.
Saturday, October 31, 2026 Issue #499  ·  Est. 2025
Independent brief for device makers
Manufacturers // DexCom // Products

Stelo Glucose Biosensor System

Integrated Continuous Glucose Monitor For Non-Intensive Glucose Management, Over-The-Counter. Attributes come from DexCom's own public documentation for this product.

Attributes

Signals
Patient or study database Mobile app Handles patient data Cloud connectivity Wireless connectivity Field-updatable firmware Named operating system Home use
Properties (MITRE EMB3D)
PID-23 Device includes OS/kernel PID-31 Application-level software is present and running on the device PID-33 Device includes interactive applications, services, or user interfaces PID-41 Device exposes remote network services PID-4113 Device includes cryptographic functions for sensitive data, such as encryption or authentication
Platform
iOS companion app: iOS app Android iOS
Attributes: component types
Cloud Service Display Firmware Generic Application Library Local Application Local Service Mobile Application Operating System Sensor Modules User Interface Wireless Module
Attributes: interface types
BLE Wireless
Attributes: assets
Firmware Report Data Sensor Data
Attributes: dataflows
Glucose Sensing Subsystem to Mobile App (estimated glucose values) Transmitter (GSS) to Mobile Application Subsystem (MAS): estimated glucose values and glucose rate of change every 5 min

Matched threat intel

9

Advisories in our coverage that share an attribute with this product. A shared attribute is a lead, not a finding. The status column shows only what DexCom has said.

AdvisoryDateSharedDexCom status
Cepheid GeneXpert Xpress 6.4a ships without Windows speculative execution mitigationsMar 11, 2026Same property (MITRE EMB3D)PID-23No feedback feed from manufacturer
A legacy cardiology system, end-of-service since 2014, recalled for securityJun 10, 2025Same property (MITRE EMB3D)PID-23No feedback feed from manufacturer
Thermo Fisher Xcalibur and Foundation driver packages allow local privilege escalationJan 22, 2025Same property (MITRE EMB3D)PID-23No feedback feed from manufacturer
Capsule Technologies SmartLinx Neuron 2 kiosk escapes to admin with a USB keyboardJul 14, 2020Same property (MITRE EMB3D)PID-23No feedback feed from manufacturer
GE Healthcare ultrasound systems let a local user escape Kiosk Mode to the operating systemFeb 18, 2020Same property (MITRE EMB3D)PID-23No feedback feed from manufacturer
Canon Medical holds off on Meltdown and Spectre patches for its diagnostic imaging equipmentJan 15, 2018Same property (MITRE EMB3D)PID-23No feedback feed from manufacturer
Philips issues WannaCry guidance naming IntelliSpace Portal Workstation IX and Event ManagementMay 15, 2017Same property (MITRE EMB3D)PID-23No feedback feed from manufacturer
Ossur Logic mobile app shipped hard-coded credentials and a static token in its binaryDec 19, 2024Same platformiOS appNo feedback feed from manufacturer
Medtronic MyCareLink Smart 25000 reader allows Bluetooth authentication bypass and unsigned firmwareDec 10, 2020Same platformiOS appNo feedback feed from manufacturer

Threats and weaknesses in matched advisories

MITRE EMB3D threats
TID-103 Microarchitectural Side Channels TID-204 Untrusted Programs Can Access Privileged OS Functions TID-205 Existing OS Tools Maliciously Used for Device Manipulation TID-210 Device Vulnerabilities Unpatchable TID-213 Faulty FW/SW Update Integrity Verification TID-219 OS/Kernel Privilege Escalation TID-222 Critical System Service May Be Disabled TID-224 Excessive Access via Software Diagnostic Features TID-310 Remotely Accessible Unauthenticated Services TID-311 Default Credentials TID-327 Out of Bounds Memory Access TID-328 Hardcoded Credentials TID-329 Improper Password Storage TID-406 Unauthorized Messages or Connections TID-407 Missing Message Replay Protection
CWE weaknesses
CWE-1104 Use of Unmaintained Third Party Components CWE-1188 Insecure Default Initialization of Resource CWE-1329 Reliance on Component That is Not Updateable CWE-1392 Use of Default Credentials CWE-276 Incorrect Default Permissions CWE-290 Authentication Bypass by Spoofing CWE-294 Authentication Bypass by Capture-replay CWE-306 Missing Authentication for Critical Function CWE-427 Uncontrolled Search Path Element CWE-522 Insufficiently Protected Credentials CWE-798 Use of Hard-coded Credentials