CVE-2025-32878

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.

• CWE-295

• https://support.coros.com/hc/en-us/articles/20087694119828-COROS-PACE-3-Release-NotesRelease Notes
• https://syss.deThird Party Advisory
• https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2025-030.txtExploit, Third Party Advisory

Published

Jun 20, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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