{"id":58804,"date":"2025-07-10T01:19:54","date_gmt":"2025-07-10T01:19:54","guid":{"rendered":""},"modified":"2025-10-26T04:20:12","modified_gmt":"2025-10-26T10:20:12","slug":"cve-2025-43569-arbitrary-code-execution-vulnerability-in-substance3d-stager","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-43569-arbitrary-code-execution-vulnerability-in-substance3d-stager\/","title":{"rendered":"<strong>CVE-2025-43569: Arbitrary Code Execution Vulnerability in Substance3D &#8211; Stager<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical vulnerability has been identified in Substance3D &#8211; Stager versions 3.1.1 and earlier that carries a high severity score of 7.8. This vulnerability could potentially allow an attacker to execute arbitrary code in the context of the current user. The exploit requires user interaction as a victim must open a malicious file, which could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52717-sql-injection-vulnerability-in-lifterlms-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"65396\">lead to system<\/a> compromise or data leakage. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8826-critical-buffer-overflow-vulnerability-in-linksys-wireless-range-extenders\/\"  data-wpil-monitor-id=\"75513\">vulnerability is especially concerning as it affects a broad range<\/a> of users and could have significant impacts if not addressed promptly.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-43569<br \/>\nSeverity: High (7.8)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: Arbitrary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5310-remote-code-execution-vulnerability-in-dover-fueling-solutions-progauge-maglink-lx-consoles\/\"  data-wpil-monitor-id=\"65507\">code execution<\/a>, potential system compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-636598072\" 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-2025-43571-use-after-free-vulnerability-in-substance3d-stager-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"91530\">Substance3D &#8211; Stager<\/a> | 3.1.1 and earlier<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability resides in an out-of-bounds write error within the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53277-critical-cross-site-request-forgery-csrf-vulnerability-in-infigo-software-is-theme-companion\/\"  data-wpil-monitor-id=\"65655\">Substance3D<\/a> &#8211; Stager software. By crafting a malicious file and inducing a user to open it, an attacker can trigger the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43237-critical-out-of-bounds-write-vulnerability-in-macos-sequoia\/\"  data-wpil-monitor-id=\"69492\">out-of-bounds write<\/a> error. This error condition can be manipulated by an attacker to write data beyond the intended buffer boundary, potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6755-wordpress-plugin-vulnerability-leads-to-arbitrary-file-deletion\/\"  data-wpil-monitor-id=\"65620\">leading to the execution of arbitrary<\/a> code in the context of the current user.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2111673080\" 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 is a conceptual example of how an attacker might craft a malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53260-unrestricted-file-upload-vulnerability-in-getredhawkstudio-file-manager-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"65371\">file to exploit this vulnerability<\/a>. This is a simplified representation and actual exploitation would likely require more complex techniques:<\/p>\n<pre><code class=\"\" data-line=\"\"># Attacker creates malicious file\necho &quot;malicious_payload&quot; &gt; malicious_file.stg\n# Attacker sends malicious file to the victim\nscp malicious_file.stg victim@target.example.com:\/home\/victim\/\n# Victim opens the malicious file with Substance3D - Stager\nvictim@target.example.com:~$ stager open malicious_file.stg<\/code><\/pre>\n<p>In this example, `malicious_payload` represents the carefully crafted data that triggers the out-of-bounds write error and leads to arbitrary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-26074-remote-code-execution-vulnerability-in-orkes-conductor-v3-21-11\/\"  data-wpil-monitor-id=\"65989\">code execution<\/a>. The file is then sent to the victim who opens it with the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-12364-sql-injection-vulnerability-in-mavi-yesil-software-guest-tracking-software\/\"  data-wpil-monitor-id=\"65694\">vulnerable software<\/a>, resulting in the execution of the malicious code.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Users are advised to apply the vendor patch as soon as <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54742-data-deserialization-vulnerability-in-wpevently-leading-to-possible-system-compromise\/\"  data-wpil-monitor-id=\"86488\">possible to mitigate this vulnerability<\/a>. As a temporary mitigation, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20217-denial-of-service-vulnerability-in-snort-3-detection-engine-of-cisco-secure-firewall-threat-defense-software\/\"  data-wpil-monitor-id=\"77126\">detect and block attempts to exploit this vulnerability<\/a>. Users should also exercise caution when opening files from untrusted sources, as <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50738-memos-application-vulnerability-allows-for-unauthorized-user-information-disclosure\/\"  data-wpil-monitor-id=\"75514\">user interaction is required for this vulnerability<\/a> to be exploited.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical vulnerability has been identified in Substance3D &#8211; Stager versions 3.1.1 and earlier that carries a high severity score of 7.8. This vulnerability could potentially allow an attacker to execute arbitrary code in the context of the current user. The exploit requires user interaction as a victim must open a malicious file, which [&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":[86,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-58804","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/58804","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=58804"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/58804\/revisions"}],"predecessor-version":[{"id":84672,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/58804\/revisions\/84672"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=58804"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=58804"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=58804"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=58804"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=58804"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=58804"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=58804"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=58804"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=58804"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}