{"id":59352,"date":"2025-07-13T12:54:23","date_gmt":"2025-07-13T12:54:23","guid":{"rendered":""},"modified":"2025-10-21T04:13:34","modified_gmt":"2025-10-21T10:13:34","slug":"cve-2025-47759-stack-based-buffer-overflow-in-v-sft-v6-2-5-0-and-earlier","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-47759-stack-based-buffer-overflow-in-v-sft-v6-2-5-0-and-earlier\/","title":{"rendered":"<strong>CVE-2025-47759: Stack-Based Buffer Overflow in V-SFT v6.2.5.0 and Earlier<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-47759 is a severe cybersecurity vulnerability that affects V-SFT v6.2.5.0 software and earlier versions. This vulnerability has to do with a stack-based buffer overflow located in the VS6ComFile!CV7BaseMap::WriteV7DataToRom function. The issue arises when opening specially crafted V7 or V8 files, which can lead to a crash, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45620-remote-information-disclosure-vulnerability-in-aver-ptc310uv2\/\"  data-wpil-monitor-id=\"70195\">information disclosure<\/a>, and even arbitrary code execution.<br \/>\nThe vulnerability is of particular concern due to its <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49691-heap-based-buffer-overflow-in-windows-media-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"72116\">potential to compromise systems<\/a> and leak sensitive data. As these consequences can have a significant impact on both businesses and individuals who rely on the V-SFT software, addressing CVE-2025-47759 is a critical task for <a href=\"https:\/\/www.ameeba.com\/blog\/introducing-the-ameeba-cybersecurity-group-chat\/\"  data-wpil-monitor-id=\"88439\">cybersecurity<\/a> professionals.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-47759<br \/>\nSeverity: High (7.8 CVSS Score)<br \/>\nAttack Vector: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49886-critical-php-local-file-inclusion-vulnerability-in-webgeniuslab-zikzag-core\/\"  data-wpil-monitor-id=\"67347\">Local File<\/a> Input<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: System crash, sensitive information disclosure, and arbitrary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50460-remote-code-execution-vulnerability-in-ms-swift-project\/\"  data-wpil-monitor-id=\"72117\">code execution<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-4216893122\" 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-2025-47760-stack-based-buffer-overflow-vulnerability-in-v-sft-v6-2-5-0-and-earlier\/\"  data-wpil-monitor-id=\"68589\">V-SFT | v6.2.5.0<\/a> and earlier<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit for CVE-2025-47759 takes advantage of a stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47998-severe-heap-based-buffer-overflow-vulnerability-in-windows-routing-and-remote-access-service\/\"  data-wpil-monitor-id=\"67346\">buffer overflow vulnerability<\/a> in the VS6ComFile!CV7BaseMap::WriteV7DataToRom function. This is triggered when the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9693-arbitrary-file-deletion-vulnerability-in-user-meta-user-profile-builder-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"90630\">user opens a specially crafted V7 or V8 file<\/a>. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8159-critical-remote-buffer-overflow-vulnerability-in-d-link-dir-513-1-0\/\"  data-wpil-monitor-id=\"67384\">buffer overflow<\/a> can lead to memory corruption, which can result in a system crash or, worse, the execution of arbitrary code. This implies that an attacker could take <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52289-broken-access-control-vulnerability-in-magnusbilling-v7-8-5-3\/\"  data-wpil-monitor-id=\"73369\">control of the system or access<\/a> sensitive information that should have been protected.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-617509196\" 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 the vulnerability might be exploited:<\/p>\n<pre><code class=\"\" data-line=\"\"># Pseudocode for exploit\ndef exploit(vulnerable_file):\ncrafted_data = get_crafted_data()  # Get the specially crafted data that overflows the buffer\nfile = open(vulnerable_file, &#039;w&#039;)\nfile.write(crafted_data)  # Write the crafted data to the file\nfile.close()\nopen_v7_v8_file(vulnerable_file)  # Open the file using the vulnerable function\nexploit(&#039;vulnerable.v7&#039;)<\/code><\/pre>\n<p>Please note that this is a mere conceptual representation of how the exploit might work. Actual exploitation will involve much more complex steps and knowledge of the underlying software&#8217;s architecture.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-47759 is a severe cybersecurity vulnerability that affects V-SFT v6.2.5.0 software and earlier versions. This vulnerability has to do with a stack-based buffer overflow located in the VS6ComFile!CV7BaseMap::WriteV7DataToRom function. The issue arises when opening specially crafted V7 or V8 files, which can lead to a crash, information disclosure, and even arbitrary code execution. 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":[86,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-59352","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\/59352","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=59352"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59352\/revisions"}],"predecessor-version":[{"id":83574,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59352\/revisions\/83574"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59352"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59352"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59352"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59352"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59352"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59352"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}