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Bluetooth CVE-2025-32879

| EUVDEUVD-2025-19014 HIGH
Improper Authentication (CWE-287)
2025-06-20 cve@mitre.org
8.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK

2 techniques across 2 tactics: Defense Evasion, Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS 8.8. EPSS 0.1%. Public PoC/exploit available. No patch confirmed.

Exploit ScenarioDerived

An attacker could exploit this vulnerability in the affected application to compromise the security of affected deployments, potentially impacting confidentiality, integrity, or availability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 15, 2026

CVE-2025-32879 is a security vulnerability (CVSS 8.8) that allows an attacker. Risk factors: public PoC available.

Earlier versions of this analysis (1)
v1 Mar 15, 2026 - 00:19 CVSS 8.8

An issue was discovered on COROS PACE 3 devices through 3.0808.0. It starts advertising if no device is connected via Bluetooth. This allows an attacker to connect with the device via BLE if no other

RemediationAI

Monitor vendor channels for patch availability. Restrict network access to affected components and enable MFA as interim mitigation.

Affected VersionsENISA

n/a n/a

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

CWE-287 (Improper Authentication). CVSS 8.8 indicates high severity.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.8 HIGH
AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
PoC Detected
Jul 08, 2025 - 14:32 vuln.today
Public exploit code
CVE Published
Jun 20, 2025 - 14:15 nvd
HIGH 8.8

DescriptionCVE.org

An issue was discovered on COROS PACE 3 devices through 3.0808.0. It starts advertising if no device is connected via Bluetooth. This allows an attacker to connect with the device via BLE if no other device is connected. While connected, none of the BLE services and characteristics of the device require any authentication or security level. Therefore, any characteristic, depending on their mode of operation (read/write/notify), can be used by the connected attacker. This allows, for example, configuring the device, sending notifications, resetting the device to factory settings, or installing software.

Executive ViewAI

Why It Matters

COROS PACE 3 smartwatch devices (firmware through 3.0808.0) contain a critical Bluetooth vulnerability allowing unauthorized remote access without authentication. Any attacker within Bluetooth range can connect to unpaired devices and modify settings, install malicious software, or reset the device, potentially affecting employee productivity and data security if these devices are used in enterprise environments.

Business Impact: High
Compensating Controls

Disable Bluetooth connectivity on affected COROS PACE 3 devices until a vendor patch is available. Implement physical security controls to prevent unauthorized proximity access. Restrict device deployment to air-gapped or isolated network environments where possible. Monitor Bluetooth traffic for unauthorized pairing attempts using enterprise security tools. Establish a vendor communication protocol to track patch release status weekly. If devices are mission-critical, evaluate replacement with alternative wearable solutions from vendors with active security support.

Threat Intelligence Overview

EPSS Score
0.1%
Top 84% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 0.1%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Controlled
Automatable· derived
No
Human Impact
High

Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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