{"id":50492,"date":"2025-06-09T21:09:14","date_gmt":"2025-06-09T21:09:14","guid":{"rendered":""},"modified":"2025-09-14T11:55:58","modified_gmt":"2025-09-14T17:55:58","slug":"cve-2025-32105-buffer-overflow-vulnerability-in-sangoma-img2020-http-server-leading-to-remote-code-execution","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-32105-buffer-overflow-vulnerability-in-sangoma-img2020-http-server-leading-to-remote-code-execution\/","title":{"rendered":"<strong>CVE-2025-32105: Buffer Overflow Vulnerability in Sangoma IMG2020 HTTP Server Leading to Remote Code Execution<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is riddled with potential hazards, one such risk being the vulnerability CVE-2025-32105. This flaw, found in the Sangoma IMG2020 HTTP Server through version 2.3.9.6, allows for a buffer overflow. The vulnerability could be exploited by an unauthenticated user, enabling them to achieve <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-9639-remote-code-execution-vulnerabilities-in-aspect-nexus-and-matrix-series\/\"  data-wpil-monitor-id=\"56798\">remote code execution<\/a>.<br \/>\nThis vulnerability matters because it affects all organizations and individuals using the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48481-critical-vulnerability-in-freescout-prior-to-version-1-8-180\/\"  data-wpil-monitor-id=\"57201\">Sangoma IMG2020 HTTP server<\/a> through the aforementioned version. If exploited, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5100-a-double-free-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"56593\">vulnerability could lead to full system compromise and potential<\/a> data leakage, putting sensitive information at risk.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-32105<br \/>\nSeverity: Critical (9.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: Potential <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-42977-path-handling-vulnerability-that-risks-data-leakage-and-system-compromise\/\"  data-wpil-monitor-id=\"56937\">system compromise or data leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1906790742\" 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>Sangoma IMG2020 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-23317-nvidia-triton-inference-server-http-server-vulnerability\/\"  data-wpil-monitor-id=\"82301\">HTTP Server<\/a> | Up to 2.3.9.6<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30295-heap-based-buffer-overflow-vulnerability-in-adobe-framemaker\/\"  data-wpil-monitor-id=\"56691\">vulnerability operates through a buffer overflow<\/a>. What this means is that more <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-51055-insecure-data-storage-vulnerability-in-vedo-suite-version-2024-17\/\"  data-wpil-monitor-id=\"81594\">data gets written into a buffer than it can handle, causing the excess data to overflow into adjacent storage<\/a>. In this particular case, the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5671-critical-buffer-overflow-vulnerability-in-totolink-n302r-plus-http-post-request-handler\/\"  data-wpil-monitor-id=\"59506\">overflow occurs in the Sangoma IMG2020 HTTP<\/a> server.<br \/>\nThe nefarious aspect of this exploit is that it can be performed by an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-34509-hardcoded-user-account-in-sitecore-xm-and-xp-enabling-unauthenticated-remote-access\/\"  data-wpil-monitor-id=\"62772\">unauthenticated user<\/a>. The attacker can send a specially crafted request to the server, causing the buffer overflow and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45343-high-risk-vulnerability-in-tenda-w18e-v-2-0-v-16-01-0-11-allows-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"56672\">allowing the attacker to execute arbitrary code<\/a> on the system.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1925637684\" 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 a HTTP <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4366-request-smuggling-vulnerability-in-pingora-s-proxying-framework\/\"  data-wpil-monitor-id=\"56572\">request that might be used to exploit this vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/buffer_overflow_trigger HTTP\/1.1\nHost: vulnerable.server.com\nContent-Type: application\/json\n{ &quot;buffer_overflow_data&quot;: &quot;A*5000&quot; }<\/code><\/pre>\n<p>In this example, &#8220;A*5000&#8221; represents a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2497-stack-based-buffer-overflow-vulnerability-in-autodesk-revit\/\"  data-wpil-monitor-id=\"57166\">buffer overflow<\/a> payload that is larger than the buffer can handle, causing it to overflow.<\/p>\n<p><strong>Impact<\/strong><\/p>\n<p>Successful exploitation of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47438-php-remote-file-inclusion-vulnerability-in-wp-job-portal\/\"  data-wpil-monitor-id=\"56690\">vulnerability can lead to remote<\/a> code execution. This could allow the attacker to gain unauthorized access to the system, potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31263-critical-memory-handling-vulnerability-could-lead-to-system-compromise-or-data-leakage-in-macos-sequoia-15-4\/\"  data-wpil-monitor-id=\"57009\">compromising it or causing data leakage<\/a>.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>Users are strongly advised to apply the vendor patch as soon as it becomes available. If the patch is not immediately available, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation strategy. These systems would ideally detect and block the malicious traffic <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45997-exploiting-file-upload-vulnerability-in-web-based-pharmacy-product-management-system\/\"  data-wpil-monitor-id=\"56938\">exploiting this vulnerability<\/a>.<br \/>\nStay vigilant, stay secure.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is riddled with potential hazards, one such risk being the vulnerability CVE-2025-32105. This flaw, found in the Sangoma IMG2020 HTTP Server through version 2.3.9.6, allows for a buffer overflow. The vulnerability could be exploited by an unauthenticated user, enabling them to achieve remote code execution. This vulnerability matters because it affects [&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-50492","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\/50492","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=50492"}],"version-history":[{"count":14,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50492\/revisions"}],"predecessor-version":[{"id":74814,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50492\/revisions\/74814"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=50492"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=50492"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=50492"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=50492"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=50492"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=50492"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=50492"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=50492"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=50492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}