{"id":55227,"date":"2025-06-26T14:02:34","date_gmt":"2025-06-26T14:02:34","guid":{"rendered":""},"modified":"2025-08-30T04:39:10","modified_gmt":"2025-08-30T10:39:10","slug":"cve-2025-32879-unauthenticated-access-vulnerability-in-coros-pace-3-devices","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-32879-unauthenticated-access-vulnerability-in-coros-pace-3-devices\/","title":{"rendered":"<strong>CVE-2025-32879: Unauthenticated Access Vulnerability in COROS PACE 3 Devices<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>This blog post delves into the details of a recently discovered vulnerability designated as CVE-2025-32879. This vulnerability affects COROS PACE 3 devices up to and including version 3.0808.0. The essence of this vulnerability is that it allows an attacker unauthenticated access to the device via Bluetooth Low Energy (BLE) and thus potentially compromising the system and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49181-unauthorized-api-endpoint-access-leading-to-denial-of-service-and-data-leakage\/\"  data-wpil-monitor-id=\"61685\">leading to data<\/a> leakage. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-25264-critical-vulnerability-allowing-unauthenticated-remote-access-due-to-overly-permissive-cors-policy\/\"  data-wpil-monitor-id=\"61910\">vulnerability is particularly concerning due<\/a> to the lack of any requirement for authentication or security level for any of the BLE services and characteristics of the device while connected.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-32879<br \/>\nSeverity: High (8.8 CVSS v3)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: System compromise, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53495-unauthorized-access-data-leakage-in-wikimedia-foundation-mediawiki-abusefilter-extension\/\"  data-wpil-monitor-id=\"72548\">data leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2066640344\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32880-unencrypted-firmware-file-download-in-coros-pace-3-devices\/\"  data-wpil-monitor-id=\"62929\">COROS PACE<\/a> 3 | Up to 3.0808.0<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of an issue in the COROS <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32875-unencrypted-bluetooth-data-transmission-vulnerability-in-coros-application\/\"  data-wpil-monitor-id=\"63046\">PACE<\/a> 3 devices where the device starts advertising itself if no device is connected via Bluetooth. An attacker can exploit this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47164-code-execution-vulnerability-in-microsoft-office-via-use-after-free-error\/\"  data-wpil-monitor-id=\"61852\">vulnerability by connecting to the device via<\/a> BLE. Once connected, the attacker can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-45347-unauthorized-access-vulnerability-in-xiaomi-mi-connect-service-app\/\"  data-wpil-monitor-id=\"63571\">access any of the BLE services<\/a> and characteristics without any requirement for authentication or security level. This allows the attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32878-critical-vulnerability-in-coros-pace-3-devices-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"63185\">potentially configure the device<\/a>, send notifications, reset the device to factory settings, or install software.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3942167720\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>Here&#8217;s a conceptual example of how this vulnerability might be exploited, using pseudocode:<\/p>\n<pre><code class=\"\" data-line=\"\"># Establish BLE connection\ndevice = BLE.connect(&#039;COROS PACE 3&#039;)\n# Check if connection is established\nif device.isConnected():\n# Access unauthenticated services\nservice = device.getService(&#039;unauthenticated_service&#039;)\n# Write to the service\nservice.write(&#039;malicious_payload&#039;)\n# Read from the service\ndata = service.read()\n# Install software or reset the device\nservice.install_software(&#039;malicious_software&#039;)\nservice.reset_device()<\/code><\/pre>\n<p>Please note that the above <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49526-out-of-bounds-write-vulnerability-in-illustrator-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"75264\">code is purely hypothetical and serves only to illustrate<\/a> the potential exploit. Actual <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49796-exploiting-libxml2-memory-corruption-for-denial-of-service-and-data-leakage\/\"  data-wpil-monitor-id=\"61803\">exploitation would require knowledge of the specific BLE services<\/a> and characteristics exposed by the vulnerable device.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview This blog post delves into the details of a recently discovered vulnerability designated as CVE-2025-32879. This vulnerability affects COROS PACE 3 devices up to and including version 3.0808.0. The essence of this vulnerability is that it allows an attacker unauthenticated access to the device via Bluetooth Low Energy (BLE) and thus potentially compromising the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-55227","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/55227","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=55227"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/55227\/revisions"}],"predecessor-version":[{"id":67842,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/55227\/revisions\/67842"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=55227"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=55227"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=55227"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=55227"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=55227"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=55227"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=55227"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=55227"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=55227"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}