{"id":64036,"date":"2025-08-13T23:11:25","date_gmt":"2025-08-13T23:11:25","guid":{"rendered":""},"modified":"2025-08-31T18:01:11","modified_gmt":"2025-09-01T00:01:11","slug":"cve-2025-54950-critical-out-of-bounds-access-vulnerability-in-executorch-models-loading","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-54950-critical-out-of-bounds-access-vulnerability-in-executorch-models-loading\/","title":{"rendered":"<strong>CVE-2025-54950: Critical Out-of-Bounds Access Vulnerability in ExecuTorch Models Loading<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape has just witnessed the emergence of a critical vulnerability, CVE-2025-54950, that poses a significant threat to users of the ExecuTorch tool. This tool, widely used in data science and artificial intelligence communities, has a flaw that could potentially lead to system compromise or data leakage, translating into considerable damage. The vulnerability affects <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53546-high-severity-vulnerability-in-folo-s-github-workflow\/\"  data-wpil-monitor-id=\"73430\">ExecuTorch<\/a> versions prior to commit b6b7a16df5e7852d976d8c34c8a7e9a1b6f7d005 and can have severe repercussions if exploited by malicious entities.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-54950<br \/>\nSeverity: Critical (CVSS Score: 9.8)<br \/>\nAttack Vector: Remote<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: Potential 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=\"72558\">data leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-217394071\" 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>ExecuTorch | Prior to commit b6b7a16df5e7852d976d8c34c8a7e9a1b6f7d005<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47168-use-after-free-vulnerability-in-microsoft-office-word-allowing-unauthorized-code-execution\/\"  data-wpil-monitor-id=\"73180\">vulnerability resides in the code<\/a> responsible for loading ExecuTorch models. An out-of-bounds <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53499-critical-unauthorized-access-vulnerability-in-wikimedia-foundation-mediawiki-abusefilter-extension\/\"  data-wpil-monitor-id=\"72756\">access vulnerability<\/a> allows an attacker to cause the runtime to crash and potentially execute malicious code. This could be achieved by feeding an oversized or maliciously crafted model to ExecuTorch, forcing the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20133-remote-access-ssl-vpn-vulnerability-in-cisco-secure-firewall-asa-software-and-secure-ftd-software\/\"  data-wpil-monitor-id=\"76840\">software to access<\/a> memory locations that it should not, causing the crash and potentially opening the door for further exploitation.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4075201489\" 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>While the specific exploitation code would depend on the attacker&#8217;s intent and the system&#8217;s specifics, the general idea is to provide a maliciously crafted model to the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43588-out-of-bounds-write-vulnerability-in-substance3d-sampler-versions-5-0-and-earlier\/\"  data-wpil-monitor-id=\"73468\">vulnerable version<\/a> of ExecuTorch. Here is a simplified example of how this might look:<\/p>\n<pre><code class=\"\" data-line=\"\">import executorch\n# Create a maliciously crafted model\nmalicious_model = executorch.Model()\nmalicious_model.load_data(&#039;malicious_data&#039;)\n# Load the malicious model into a vulnerable ExecuTorch instance\nvulnerable_executorch = executorch.Engine()\nvulnerable_executorch.load_model(malicious_model)<\/code><\/pre>\n<p>In this conceptual example, &#8216;malicious_data&#8217; would be crafted in a way that triggers the out-of-bounds access, causing the runtime to crash and potentially allowing the attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50754-stored-cross-site-scripting-xss-vulnerability-leading-to-remote-code-execution-in-unisite-cms-5-0\/\"  data-wpil-monitor-id=\"74700\">execute their code<\/a>. This example <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=\"75128\">code is for illustrative<\/a> purposes only and does not represent a real exploit.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>The recommended mitigation strategy is to apply the vendor-provided patch immediately. Users unable to do so can temporarily mitigate the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52914-sql-injection-vulnerability-in-mitel-micollab-suite-applications-services\/\"  data-wpil-monitor-id=\"75686\">vulnerability using a Web Application<\/a> Firewall (WAF) or Intrusion Detection System (IDS) to block or alert on suspicious activity related to ExecuTorch model loading. However, these are temporary measures and cannot substitute the need for the patch.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape has just witnessed the emergence of a critical vulnerability, CVE-2025-54950, that poses a significant threat to users of the ExecuTorch tool. This tool, widely used in data science and artificial intelligence communities, has a flaw that could potentially lead to system compromise or data leakage, translating into considerable damage. The vulnerability [&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-64036","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\/64036","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=64036"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64036\/revisions"}],"predecessor-version":[{"id":69258,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64036\/revisions\/69258"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=64036"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=64036"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=64036"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=64036"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=64036"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=64036"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=64036"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=64036"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=64036"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}