{"id":27785,"date":"2025-04-20T07:22:01","date_gmt":"2025-04-20T07:22:01","guid":{"rendered":""},"modified":"2025-10-21T04:31:27","modified_gmt":"2025-10-21T10:31:27","slug":"cve-2025-24797-remote-code-execution-vulnerability-in-meshtastic-s-mesh-networking-solution","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-24797-remote-code-execution-vulnerability-in-meshtastic-s-mesh-networking-solution\/","title":{"rendered":"<strong>CVE-2025-24797: Remote Code Execution Vulnerability in Meshtastic&#8217;s Mesh Networking Solution<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-24797 is a high-risk cybersecurity flaw identified in an open-source mesh networking solution called Meshtastic. The vulnerability is a result of a fault in the handling of mesh packets containing invalid protobuf data, leading to an attacker-controlled buffer overflow. This flaw is particularly severe because it can allow an attacker to hijack the execution flow, potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-29017-remote-code-execution-in-code-astro-internet-banking-system-2-0-0\/\"  data-wpil-monitor-id=\"32829\">executing arbitrary code remotely<\/a>. Any device using Meshtastic&#8217;s default channel for rebroadcasting packets is susceptible, regardless of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5821-critical-authentication-bypass-vulnerability-in-case-theme-user-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"83333\">user interaction or authentication<\/a>. The major concern is that this vulnerability can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-50930-cross-site-request-forgery-csrf-in-savignano-s-notify-leading-to-configuration-tampering-and-potential-data-leakage\/\"  data-wpil-monitor-id=\"31995\">potentially lead to system compromise or data<\/a> leakage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-24797<br \/>\nSeverity: Critical (9.4 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: System compromise, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-50350-broken-cryptographic-algorithm-leads-to-potential-data-leakage-in-hcl-dryice-myxalytics\/\"  data-wpil-monitor-id=\"33693\">Potential data leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3451622574\" 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>Meshtastic | <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-52307-high-severity-stack-overflow-vulnerability-in-paddlepaddle-prior-to-version-2-6-0\/\"  data-wpil-monitor-id=\"33945\">Versions prior<\/a> to 2.6.2<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/global-honeypot-creation-exploits-cisco-flaw-unmasking-the-vicioustrap-attack\/\"  data-wpil-monitor-id=\"51023\">exploit takes advantage of a flaw<\/a> in Meshtastic&#8217;s handling of mesh packets containing invalid protobuf data. An attacker can craft a malicious packet with invalid protobuf data that triggers a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3538-stack-based-buffer-overflow-in-d-link-di-8100-16-07-26a1\/\"  data-wpil-monitor-id=\"33010\">buffer overflow<\/a>. This overflow is attacker-controlled, meaning that it can be manipulated to hijack the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-57577-remote-code-execution-vulnerability-in-h3c-device-r365v300r004\/\"  data-wpil-monitor-id=\"90635\">execution flow of the device<\/a>. With the execution flow under control, the attacker can potentially execute <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-42970-use-after-free-vulnerability-in-multiple-apple-platforms-may-lead-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"33018\">arbitrary code<\/a> on the device. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22455-local-authenticated-attacker-decrypts-stored-sql-credentials-in-ivanti-workspace-control\/\"  data-wpil-monitor-id=\"64746\">attack doesn&#8217;t require any authentication<\/a> or user interaction, making it a silent, but deadly threat.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3466002842\" 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>Given the nature of the vulnerability, an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3200-unauthenticated-remote-attacker-exploiting-insecure-tls-protocols\/\"  data-wpil-monitor-id=\"40770\">attacker might exploit<\/a> it using a maliciously crafted mesh packet. The following pseudocode illustrates a conceptual example:<\/p>\n<pre><code class=\"\" data-line=\"\"># Pseudocode for CVE-2025-24797 exploit\n# Create malicious protobuf data\nmalicious_data = create_malicious_protobuf()\n# Craft a mesh packet with the malicious protobuf data\nmalicious_packet = create_mesh_packet(malicious_data)\n# Send the malicious packet to a device on the default channel\nsend_packet(malicious_packet, target_device)<\/code><\/pre>\n<p>In this example, the `create_malicious_protobuf` function would generate invalid protobuf data designed to cause a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-56406-buffer-overflow-vulnerability-in-perl-leading-to-potential-denial-of-service-and-code-execution\/\"  data-wpil-monitor-id=\"33121\">buffer overflow<\/a>, and the `create_mesh_packet` function would create a mesh packet containing this data. Finally, the `send_packet` function would send the malicious packet to the target device on the default channel. The target device, upon receiving and processing the packet, would suffer a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-45230-buffer-overflow-vulnerability-in-edk2-s-network-package\/\"  data-wpil-monitor-id=\"33368\">buffer overflow<\/a>, potentially allowing the attacker to hijack the execution flow and execute arbitrary code.<br \/>\nUsers of Meshtastic are strongly advised to update to version 2.6.2 or later, which <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52890-critical-acl-bypass-vulnerability-in-incus-system-container-and-virtual-machine-manager\/\"  data-wpil-monitor-id=\"64744\">contains a patch for this vulnerability<\/a>. As a temporary mitigation, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5485-a-critical-vulnerability-pertaining-to-user-name-enumeration-in-web-management-interfaces\/\"  data-wpil-monitor-id=\"64745\">users can also use Web<\/a> Application Firewalls (WAF) or Intrusion Detection Systems (IDS) to detect and block malicious packets. However, these measures are not a substitute for applying the vendor&#8217;s patch.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-24797 is a high-risk cybersecurity flaw identified in an open-source mesh networking solution called Meshtastic. The vulnerability is a result of a fault in the handling of mesh packets containing invalid protobuf data, leading to an attacker-controlled buffer overflow. This flaw is particularly severe because it can allow an attacker to hijack the execution [&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-27785","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\/27785","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=27785"}],"version-history":[{"count":13,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/27785\/revisions"}],"predecessor-version":[{"id":83580,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/27785\/revisions\/83580"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=27785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=27785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=27785"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=27785"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=27785"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=27785"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=27785"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=27785"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=27785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}