{"id":59342,"date":"2025-07-13T02:50:39","date_gmt":"2025-07-13T02:50:39","guid":{"rendered":""},"modified":"2025-10-21T04:13:32","modified_gmt":"2025-10-21T10:13:32","slug":"cve-2025-47750-critical-out-of-bounds-write-vulnerability-in-v-sft","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-47750-critical-out-of-bounds-write-vulnerability-in-v-sft\/","title":{"rendered":"<strong>CVE-2025-47750: Critical Out-of-Bounds Write Vulnerability in V-SFT<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape has been rocked by the discovery of yet another severe vulnerability, this time affecting V-SFT version 6.2.5.0 and earlier. This vulnerability, designated as CVE-2025-47750, exposes users to potential system compromise and data leakage. This is particularly concerning as V-SFT is a widely utilized software, amplifying the potential impact. The importance of understanding and mitigating this vulnerability cannot be overstated, as it could be exploited to execute arbitrary code, potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7793-critical-vulnerability-in-tenda-fh451-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"68608\">leading to loss of control over system<\/a> resources or unauthorized access to sensitive information.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-47750<br \/>\nSeverity: High (7.8 CVSS)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: System compromise, data leakage, and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7027-critical-firmware-vulnerability-enabling-arbitrary-memory-writes-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"69459\">potential execution of arbitrary<\/a> code<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3648252727\" 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=\"68607\">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-2025-47753-high-risk-out-of-bounds-read-vulnerability-in-v-sft-v6-2-5-0-and-earlier\/\"  data-wpil-monitor-id=\"73037\">vulnerability lies in the VS6MemInIF!set_temp_type_default function of V-SFT<\/a>. A specially crafted V7 or V8 file, when opened, triggers an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43237-critical-out-of-bounds-write-vulnerability-in-macos-sequoia\/\"  data-wpil-monitor-id=\"69458\">out-of-bounds write<\/a>. This can lead to a system crash, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45620-remote-information-disclosure-vulnerability-in-aver-ptc310uv2\/\"  data-wpil-monitor-id=\"70187\">information disclosure<\/a>, or even arbitrary code execution. The attacker would need to convince 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=\"90624\">user to open the malicious file<\/a>, which might be disguised as a legitimate document or sent via a phishing email.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4169153366\" 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 this vulnerability might be exploited. In this case, the attacker sends a specially crafted V7 or V8 file to the victim. This file, when opened with V-SFT, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52478-stored-cross-site-scripting-vulnerability-in-n8n-s-form-trigger-node\/\"  data-wpil-monitor-id=\"79440\">triggers the vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\"># Attacker crafts a malicious V7 or V8 file\n$ craft-malicious-file -o exploit.v7 &quot;malicious_payload&quot;\n# The victim opens the malicious file with V-SFT\n$ v-sft open exploit.v7<\/code><\/pre>\n<p>This shell command example demonstrates the simplicity with which an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-42959-unauthenticated-replay-attack-exploiting-hmac-reuse\/\"  data-wpil-monitor-id=\"73038\">attacker could exploit<\/a> this vulnerability, provided they have crafted the malicious file correctly and managed to convince the victim to open it.<\/p>\n<p><strong>Recommended Mitigations<\/strong><\/p>\n<p>To mitigate this vulnerability, it is highly recommended to apply the vendor-supplied patch as soon as it becomes available. If the patch is not immediately available or cannot be applied in a timely manner, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation. These tools can detect and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8059-critical-privilege-escalation-vulnerability-in-b-blocks-wordpress-plugin\/\"  data-wpil-monitor-id=\"76438\">block attempts to exploit this vulnerability<\/a>, providing a crucial layer of defense. However, they are not a permanent solution and should be used in conjunction with other security measures, such as user education and software patching.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape has been rocked by the discovery of yet another severe vulnerability, this time affecting V-SFT version 6.2.5.0 and earlier. This vulnerability, designated as CVE-2025-47750, exposes users to potential system compromise and data leakage. This is particularly concerning as V-SFT is a widely utilized software, amplifying the potential impact. The importance of [&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-59342","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\/59342","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=59342"}],"version-history":[{"count":7,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59342\/revisions"}],"predecessor-version":[{"id":83568,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59342\/revisions\/83568"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59342"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59342"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59342"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59342"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59342"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59342"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59342"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}