CVE-2025-24836

Patient-reading interruption via repeated Bluetooth measurement commands

Published Feb 13, 2025 · Updated Feb 14, 2025

Uncaught exception handling in Qardio Heart Health 2.5.1 for Android, 2.7.4 for iOS, and QardioARM allows attackers to interrupt readings. The affected device accepts continuous startMeasurement commands over an unencrypted Bluetooth connection without catching the resulting exception. Physically proximate attackers need no authentication and can monopolize the device connection, blocking the clinician app from taking patient readings.

CVSS severity6.1
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Uncaught exception handling in Qardio Heart Health 2.5.1 for Android, 2.7.4 for iOS, and QardioARM allows attackers to interrupt readings. The affected device accepts continuous startMeasurement commands over an unencrypted Bluetooth connection without catching the resulting exception. Physically proximate attackers need no authentication and can monopolize the device connection, blocking the clinician app from taking patient readings.

The record

CVE
CVE-2025-24836
Published
Feb 13, 2025
Updated
Feb 14, 2025
Vendor
Qardio, Inc.
Product
Heart Health Android Mobile Application
Classifications
CWE-248, T1499.002
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 13, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 14, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.5.1

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Qardio, Inc. · Heart Health Android Mobile Applicationversion=2.5.1
Qardio, Inc. · Heart Health IOS Mobile Applicationversion=2.7.4
Qardio, Inc. · QardioARMversion=All versions

Published CVSS scores

7.1ICS-CERTCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H
6.1ICS-CERTCVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-248Uncaught Exception
T1499.002Service Exhaustion Flood

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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