{"id":34351,"date":"2025-05-03T21:56:22","date_gmt":"2025-05-03T21:56:22","guid":{"rendered":""},"modified":"2025-05-29T11:44:20","modified_gmt":"2025-05-29T17:44:20","slug":"cve-2025-3854-critical-buffer-overflow-vulnerability-in-h3c-gr-3000ax","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-3854-critical-buffer-overflow-vulnerability-in-h3c-gr-3000ax\/","title":{"rendered":"<strong>CVE-2025-3854: Critical Buffer Overflow Vulnerability in H3C GR-3000AX<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the realm of cybersecurity, the discovery of vulnerabilities in widely used systems can have far-reaching and severe consequences. One such vulnerability, classified as critical, has been identified in H3C GR-3000AX up to version V100R006. This vulnerability, known as CVE-2025-3854, affects the EnableIpv6\/UpdateWanModeMulti\/UpdateIpv6Params\/EditWlanMacList\/Edit_List_SSID function of the aspForm <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4391-wordpress-echo-rss-feed-post-generator-plugin-arbitrary-file-upload-vulnerability\/\"  data-wpil-monitor-id=\"50875\">file in the HTTP POST<\/a> Request Handler component. The exploitation of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32843-sql-injection-vulnerability-in-telecontrol-server-basic-leading-to-authorization-bypass-and-data-manipulation\/\"  data-wpil-monitor-id=\"39569\">vulnerability could result in significant data<\/a> leakage or even full system compromise. Given the severity of the potential outcomes, understanding and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4335-privilege-escalation-vulnerability-in-woocommerce-multiple-addresses-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"43745\">addressing this vulnerability<\/a> is of the utmost importance.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-3854<br \/>\nSeverity: Critical (CVSS: 8.0)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32849-vulnerability-in-telecontrol-server-basic-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"39568\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2050600414\" 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: 720px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 22px; font-weight: 600; display: flex; align-items: center; letter-spacing: -0.02em;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 10px;\">\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: 42px; height: 42px;\" \/>\r\n    <\/a>\r\n    Share secrets securely\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 14px; color: #d1d5db;\">\r\n    Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 18px; color: #a1a1aa;\">\r\n    Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 24px; color: #e4e4e7;\">\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Encrypted identity<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Private Spaces for organizations and teams<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 End-to-end encrypted chat, calls, files, and notes<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Sensitive AI work and protected collaboration<\/li>\r\n    <li>\u2022 Built for information that cannot leak<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px; color: #ffffff;\">\r\n    Our mission is to secure human work alongside AI.\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: 8px; font-weight: 500;\">\r\n      Download Ameeba\r\n    <\/a>\r\n\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Learn More\r\n    <\/a>\r\n  <\/div>\r\n<\/div><\/div>\n<p>Product | Affected Versions<\/p>\n<p><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6091-critical-buffer-overflow-vulnerability-in-h3c-gr-3000ax-v100r007l50\/\"  data-wpil-monitor-id=\"61412\">H3C GR-3000AX<\/a> | Up to V100R006<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28024-buffer-overflow-vulnerability-in-totolink-a810r-v4-1-2cu-5182-b20201026\/\"  data-wpil-monitor-id=\"39567\">vulnerability is a buffer overflow<\/a> that is triggered when an attacker manipulates the &#8216;param&#8217; argument of the affected function within the HTTP POST Request Handler. This manipulation can lead to overflow of the buffer, causing undesired effects such as corrupting relevant memory and potentially allowing <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-40446-arbitrary-code-execution-vulnerability-in-forkosh-mime-tex\/\"  data-wpil-monitor-id=\"39861\">execution of arbitrary code<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4138031785\" 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>In a hypothetical exploit scenario, an attacker might send a malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4827-critical-buffer-overflow-vulnerability-in-totolink-http-post-request-handler\/\"  data-wpil-monitor-id=\"50925\">HTTP POST request<\/a> similar to the following:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/aspForm HTTP\/1.1\nHost: vulnerable_device_IP_address\nContent-Type: application\/x-www-form-urlencoded\nparam=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...<\/code><\/pre>\n<p>In the above example, &#8220;AAAAAAAA&#8230;&#8221; represents a long string of characters that exceeds the capacity of the &#8216;param&#8217; buffer, triggering the overflow.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47154-exploitation-of-use-after-free-vulnerability-in-libjs-in-ladybird\/\"  data-wpil-monitor-id=\"43746\">vulnerability has been publicly disclosed and may be exploited<\/a>. It is recommended to apply the vendor patch as soon as it&#8217;s available. Until then, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation solution. Regularly updating your systems and maintaining a robust <a href=\"https:\/\/www.ameeba.com\/blog\/ai-in-cybersecurity-a-new-era-of-protection-or-a-pandora-s-box\/\"  data-wpil-monitor-id=\"39838\">cybersecurity posture can also help protect<\/a> against such vulnerabilities.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the realm of cybersecurity, the discovery of vulnerabilities in widely used systems can have far-reaching and severe consequences. One such vulnerability, classified as critical, has been identified in H3C GR-3000AX up to version V100R006. This vulnerability, known as CVE-2025-3854, affects the EnableIpv6\/UpdateWanModeMulti\/UpdateIpv6Params\/EditWlanMacList\/Edit_List_SSID function of the aspForm file in the HTTP POST Request Handler [&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],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-34351","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/34351","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=34351"}],"version-history":[{"count":7,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/34351\/revisions"}],"predecessor-version":[{"id":55089,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/34351\/revisions\/55089"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=34351"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=34351"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=34351"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=34351"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=34351"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=34351"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=34351"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=34351"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=34351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}