{"id":59341,"date":"2025-07-13T01:50:17","date_gmt":"2025-07-13T01:50:17","guid":{"rendered":""},"modified":"2025-09-27T15:20:28","modified_gmt":"2025-09-27T21:20:28","slug":"cve-2025-47749-unchecked-buffer-vulnerability-in-v-sft","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-47749-unchecked-buffer-vulnerability-in-v-sft\/","title":{"rendered":"<strong>CVE-2025-47749: Unchecked Buffer Vulnerability in V-SFT<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The CVE-2025-47749 vulnerability is a serious flaw found in V-SFT versions v6.2.5.0 and earlier. This vulnerability primarily affects system administrators, IT professionals, and users of the V-SFT software. It poses a significant threat to data integrity and system security as it could potentially allow an attacker to execute <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-25214-race-condition-vulnerability-in-wwbn-avideo-14-4-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"68605\">arbitrary code<\/a> on a system, leading to a system crash, information disclosure, or even full system compromise.<br \/>\nThis <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28946-php-remote-file-inclusion-vulnerability-in-bzotheme-printxtore\/\"  data-wpil-monitor-id=\"66206\">vulnerability is particularly dangerous due to the potential for remote<\/a> exploitation and its high severity rating, emphasizing the critical need for immediate patches or alternative mitigation methods.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-47749<br \/>\nSeverity: High (7.8 CVSS)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50160-heap-based-buffer-overflow-in-windows-rras-posing-system-compromise-risk\/\"  data-wpil-monitor-id=\"78490\">System compromise<\/a>, potential data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2795753733\" 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=\"68603\">V-SFT | v6.2.5.0<\/a> and earlier<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5243-critical-security-vulnerability-in-smg-software-information-portal\/\"  data-wpil-monitor-id=\"68604\">vulnerability exists in VS6EditData.dll!CWinFontInf::WinFontMsgCheck function of V-SFT software<\/a>. An attacker can exploit it by creating and sending specially crafted V7 or V8 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49886-critical-php-local-file-inclusion-vulnerability-in-webgeniuslab-zikzag-core\/\"  data-wpil-monitor-id=\"66207\">files to a target system with the vulnerable<\/a> software. Once the file is opened, it triggers a free of pointer not at the start of the buffer, causing the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53024-high-risk-oracle-vm-virtualbox-vulnerability-allows-system-takeover\/\"  data-wpil-monitor-id=\"70769\">system to crash or potentially allowing<\/a> the attacker to execute arbitrary code or disclose information.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-102167321\" 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>The following is a conceptual representation of how an attacker might create a malicious V7 or V8 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7401-critical-file-read-write-vulnerability-in-premium-age-verification-restriction-for-wordpress-plugin\/\"  data-wpil-monitor-id=\"66547\">file to exploit the vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\"># conceptually creating a malicious V8 file\nmalicious_file = V8File()\nmalicious_file.craft_exploit_payload(&quot;arbitrary code&quot;)\nmalicious_file.save(&quot;exploit.v8&quot;)\n# conceptually sending the malicious file to the target system\ntarget_system = NetworkSystem(&quot;target.example.com&quot;)\ntarget_system.send_file(&quot;exploit.v8&quot;)<\/code><\/pre>\n<p>Upon the target system opening this maliciously crafted <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40738-critical-arbitrary-file-write-vulnerability-in-sinec-nms\/\"  data-wpil-monitor-id=\"66581\">file with the vulnerable<\/a> V-SFT software, the exploit would be triggered.<br \/>\nRemember, this is a conceptual example and not actual exploit code. Always follow ethical guidelines when dealing with vulnerabilities.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>To mitigate the risks associated with CVE-2025-47749, users and administrators of V-SFT software should apply the patch provided by the vendor as soon as possible. In instances where immediate patching is not feasible, it is recommended to use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation measure. In addition, users should be cautious when <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-58158-harness-open-source-git-lfs-server-vulnerability\/\"  data-wpil-monitor-id=\"85518\">opening V7 or V8 files from untrusted sources<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The CVE-2025-47749 vulnerability is a serious flaw found in V-SFT versions v6.2.5.0 and earlier. This vulnerability primarily affects system administrators, IT professionals, and users of the V-SFT software. It poses a significant threat to data integrity and system security as it could potentially allow an attacker to execute arbitrary code on a system, leading [&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-59341","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\/59341","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=59341"}],"version-history":[{"count":7,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59341\/revisions"}],"predecessor-version":[{"id":78314,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59341\/revisions\/78314"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59341"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59341"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59341"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59341"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59341"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59341"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}