Behavioral Technology Group Pavlok Behavioral Conditioning Wearable up to 20260707 Apple Notification Center Service Event buffer overflow

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.
8.7$0-$5k2.30+

Summaryinfo

A vulnerability classified as very critical was found in Behavioral Technology Group Pavlok Behavioral Conditioning Wearable up to 20260707. The affected element is an unknown function of the component Apple Notification Center Service Event Handler. The manipulation results in buffer overflow. This vulnerability is cataloged as CVE-2026-87931. The attack must originate from the local network. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability classified as very critical has been found in Behavioral Technology Group Pavlok Behavioral Conditioning Wearable up to 20260707. Affected is an unknown function of the component Apple Notification Center Service Event Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is available at ab3j.radio. This vulnerability is traded as CVE-2026-87931. The exploitability is told to be easy. The attack needs to approached within the local network. The exploitation doesn't require any form of authentication. Technical details are unknown but an exploit is available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/09/2026).

It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.6
VulDB Meta Temp Score: 8.7

VulDB Base Score: 9.6
VulDB Temp Score: 8.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/09/2026 Advisory disclosed
09/09/2026 +0 days VulDB entry created
09/09/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: ab3j.radio
Status: Not defined

CVE: CVE-2026-87931 (🔒)
GCVE (CVE): GCVE-0-2026-87931
GCVE (VulDB): GCVE-100-401814
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/09/2026 18:21
Changes: 09/09/2026 18:21 (52)
Complete: 🔍
Submitter: drewbug
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #881885: Behavioral Technology Group Pavlok Firmware Code Injection (by drewbug)

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