{"id":34363,"date":"2025-05-04T01:57:42","date_gmt":"2025-05-04T01:57:42","guid":{"rendered":""},"modified":"2025-05-30T13:06:33","modified_gmt":"2025-05-30T19:06:33","slug":"cve-2025-2851-critical-buffer-overflow-vulnerability-in-various-gl-inet-products","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-2851-critical-buffer-overflow-vulnerability-in-various-gl-inet-products\/","title":{"rendered":"<strong>CVE-2025-2851: Critical Buffer Overflow Vulnerability in Various GL.iNet Products<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical vulnerability, designated as CVE-2025-2851, has been discovered in a wide range of GL.iNet products. This vulnerability is particularly significant due to its high severity (CVSS score: 8.0) and the potential for system compromise or data leakage. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-43958-arbitrary-file-upload-vulnerability-in-hospital-management-system-v4-0\/\"  data-wpil-monitor-id=\"39706\">vulnerability resides in an unknown function of the file<\/a> plugins.so of the RPC Handler component, resulting in a buffer overflow condition. Given the potential for serious harm, it is essential for organizations using any of the affected GL.iNet products to understand the nature of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31637-high-risk-sql-injection-vulnerability-in-lambertgroup-shout\/\"  data-wpil-monitor-id=\"51879\">vulnerability and take the necessary steps to mitigate the risk<\/a>.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-2851<br \/>\nSeverity: Critical (CVSS score: 8.0)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32857-sql-injection-vulnerability-in-telecontrol-server-basic-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"39786\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3644342005\" 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>GL.iNet GL-A1300 Slate Plus | 4.x<br \/>\nGL-AR300M16 Shadow | 4.x<br \/>\nGL-B3000 Marble | 4.x<br \/>\n[&#8230; further products &#8230;]<\/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=\"39561\">vulnerability stems from a buffer overflow<\/a> condition in a specific function of the plugins.so file of the RPC Handler component. <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3619-critical-heap-buffer-overflow-vulnerability-in-google-chrome-codecs\/\"  data-wpil-monitor-id=\"40054\">Buffer overflow<\/a> conditions occur when more data is written into a buffer than it is designed to hold. This overflow can then overwrite adjacent memory locations, leading to unpredictable system behavior, including <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-40446-arbitrary-code-execution-vulnerability-in-forkosh-mime-tex\/\"  data-wpil-monitor-id=\"39860\">arbitrary code execution<\/a>, system crashes, or data exposure.<br \/>\nIn the case of CVE-2025-2851, an <a href=\"https:\/\/www.ameeba.com\/blog\/ahold-delhaize-cyber-attack-unpacking-the-data-breach-and-its-implications\/\"  data-wpil-monitor-id=\"39218\">attacker could exploit this vulnerability by sending specially crafted data<\/a> to the affected GL.iNet device over the network. If successful, the attacker could execute arbitrary code on the system, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32849-vulnerability-in-telecontrol-server-basic-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"39219\">leading to system compromise or potential<\/a> data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3048700258\" 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>While no specific exploit code is available, a conceptual example of exploiting a buffer <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45429-stack-overflow-vulnerability-in-tenda-ac9-v1-0-router\/\"  data-wpil-monitor-id=\"40032\">overflow vulnerability<\/a> might look like this:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/rpc\/handler HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/octet-stream\nAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA... [long string of &quot;A&quot;s to overflow the buffer]<\/code><\/pre>\n<p>In this example, the attacker sends a long string of &#8220;A&#8221;s (representing arbitrary data) to the RPC handler endpoint, causing an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3786-critical-buffer-overflow-vulnerability-in-tenda-ac15\/\"  data-wpil-monitor-id=\"40283\">overflow in the buffer<\/a>. Note that this is a simplified example, and actual exploit code might be more complex, possibly involving specific payload data designed to trigger specific <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4759-incorrect-behavior-order-in-lockfile-lint-api-package-potentially-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"51880\">behavior on the system<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical vulnerability, designated as CVE-2025-2851, has been discovered in a wide range of GL.iNet products. This vulnerability is particularly significant due to its high severity (CVSS score: 8.0) and the potential for system compromise or data leakage. The vulnerability resides in an unknown function of the file plugins.so of the RPC Handler component, [&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-34363","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\/34363","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=34363"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/34363\/revisions"}],"predecessor-version":[{"id":46428,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/34363\/revisions\/46428"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=34363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=34363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=34363"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=34363"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=34363"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=34363"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=34363"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=34363"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=34363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}