{"id":64376,"date":"2025-08-28T14:47:23","date_gmt":"2025-08-28T14:47:23","guid":{"rendered":""},"modified":"2025-10-03T12:33:09","modified_gmt":"2025-10-03T18:33:09","slug":"cve-2025-29366-array-overflow-vulnerability-in-mupen64plus-v2-6-0","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-29366-array-overflow-vulnerability-in-mupen64plus-v2-6-0\/","title":{"rendered":"<strong>CVE-2025-29366: Array Overflow Vulnerability in Mupen64plus v2.6.0<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>This blog post delves into the critical security vulnerability identified as CVE-2025-29366, which is found in Mupen64plus v2.6.0. Mupen64plus, a popular open-source, cross-platform plugin-based Nintendo 64 emulator, has been found to contain an array overflow vulnerability that could allow attackers to execute arbitrary commands on the host machine. This vulnerability, due to its high severity and the broad user base of Mupen64plus, carries significant implications for <a href=\"https:\/\/www.ameeba.com\/blog\/introducing-the-ameeba-cybersecurity-group-chat\/\"  data-wpil-monitor-id=\"88511\">cybersecurity<\/a>. If successfully exploited, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-33075-a-critical-windows-installer-vulnerability-that-leads-to-privilege-elevation\/\"  data-wpil-monitor-id=\"72397\">vulnerability could lead<\/a> to system compromise or data leakage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-29366<br \/>\nSeverity: Critical (CVSS Score of 9.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: System compromise or <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53495-unauthorized-access-data-leakage-in-wikimedia-foundation-mediawiki-abusefilter-extension\/\"  data-wpil-monitor-id=\"72653\">data leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2851643354\" 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>Mupen64plus | v2.6.0<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of an array <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8184-critical-stack-based-buffer-overflow-vulnerability-in-d-link-dir-513\/\"  data-wpil-monitor-id=\"71792\">overflow vulnerability<\/a> found in the &#8216;write_rdram_regs&#8217; functions of Mupen64plus v2.6.0. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43193-critical-memory-handling-vulnerability-in-macos\/\"  data-wpil-monitor-id=\"71793\">vulnerability arises due to improper handling<\/a> of certain input, which can lead to an out-of-bounds write scenario. An attacker can exploit this vulnerability to execute arbitrary code on the host machine, <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=\"72227\">potentially compromising the system or leading<\/a> to data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1643493361\" 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 example of how the vulnerability might be exploited. Please note that this is a simplified representation of an exploit and is meant for illustrative purposes only.<\/p>\n<pre><code class=\"\" data-line=\"\">#include &lt;stdio.h&gt;\n#include &lt;string.h&gt;\n#define BUFFER_SIZE 16\nvoid write_rdram_regs(char *input) {\nchar buffer[BUFFER_SIZE];\nstrcpy(buffer, input); \/\/ Overflow occurs here\n}\nint main() {\nchar malicious_payload[BUFFER_SIZE * 2];\nmemset(malicious_payload, &#039;A&#039;, sizeof(malicious_payload) - 1); \/\/ Fill with arbitrary data\nmalicious_payload[sizeof(malicious_payload) - 1] = &#039;\\0&#039;; \/\/ Null-terminate\nwrite_rdram_regs(malicious_payload);\nreturn 0;\n}<\/code><\/pre>\n<p>In this conceptual example, a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49674-windows-rras-heap-based-buffer-overflow-vulnerability\/\"  data-wpil-monitor-id=\"72331\">buffer is overflowed<\/a> with arbitrary data, potentially allowing an attacker to overwrite important memory areas, leading to code execution.<\/p>\n<p><strong>Recommendations for Mitigation<\/strong><\/p>\n<p>Users are advised to apply the vendor&#8217;s patch as soon as it becomes available. In the meantime, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can provide temporary mitigation against <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30327-integer-overflow-vulnerability-in-incopy-leading-to-potential-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"73595\">potential exploitation of this vulnerability<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview This blog post delves into the critical security vulnerability identified as CVE-2025-29366, which is found in Mupen64plus v2.6.0. Mupen64plus, a popular open-source, cross-platform plugin-based Nintendo 64 emulator, has been found to contain an array overflow vulnerability that could allow attackers to execute arbitrary commands on the host machine. This vulnerability, due to its high [&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-64376","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\/64376","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=64376"}],"version-history":[{"count":7,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64376\/revisions"}],"predecessor-version":[{"id":81317,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64376\/revisions\/81317"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=64376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=64376"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=64376"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=64376"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=64376"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=64376"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=64376"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=64376"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=64376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}