What is the CVSS score of CVE-2025-32878?

CVE-2025-32878 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Coros Pace 3 Firmware are affected by CVE-2025-32878?

COROS PACE 3 smartwatches contain a critical vulnerability that allows attackers on the same network to intercept and manipulate firmware update communications, potentially stealing user account…

Is there a public PoC exploit available for CVE-2025-32878?

Yes, a public proof-of-concept exploit is available for CVE-2025-32878. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-32878?

Within 24 hours: Identify all COROS PACE 3 devices in use across the organization and restrict their network access to corporate WiFi until mitigation is confirmed. Within 7 days: Communicate with affected users to disable WLAN-based firmware updates and implement network segmentation to isolate smartwatch traffic. Within 30 days: Evaluate alternative smartwatch platforms without this vulnerability and develop a device replacement strategy; monitor for any unauthorized account access or token compromises among affected users.

Coros Pace 3 Firmware CVE-2025-32878

EUVD-2025-18754 CRITICAL

Improper Certificate Validation (CWE-295)

2025-06-20 cve@mitre.org

Information Disclosure Coros Pace 3 Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

EUVD ID Assigned

Mar 15, 2026 - 00:19 euvd

EUVD-2025-18754

Analysis Generated

Mar 15, 2026 - 00:19 vuln.today

PoC Detected

Jul 08, 2025 - 14:32 vuln.today

Public exploit code

CVE Published

Jun 20, 2025 - 14:15 nvd

CRITICAL 9.8

DescriptionCVE.org

An issue was discovered on COROS PACE 3 devices through 3.0808.0. It implements a function to connect the watch to a WLAN. This function is mainly for downloading firmware files. Before downloading firmware files, the watch requests some information about the firmware via HTTPS from the back-end API. However, the X.509 server certificate within the TLS handshake is not validated by the device. This allows an attacker within an active machine-in-the-middle position, using a TLS proxy and a self-signed certificate, to eavesdrop and manipulate the HTTPS communication. This could be abused, for example, for stealing the API access token of the assigned user account.

AnalysisAI

CVE-2025-32878 is a security vulnerability (CVSS 9.8). Risk factors: public PoC available.

Technical ContextAI

CWE-295 (Improper Certificate Validation). CVSS 9.8 indicates critical severity with likely remote exploitation vector.

RemediationAI

Monitor vendor channels for patch availability.

CVE-2025-32878 vulnerability details – vuln.today

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Coros Pace 3 Firmware CVE-2025-32878

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code