{"id":44974,"date":"2025-05-28T21:10:06","date_gmt":"2025-05-28T21:10:06","guid":{"rendered":""},"modified":"2025-09-08T17:18:30","modified_gmt":"2025-09-08T23:18:30","slug":"cve-2025-27558-critical-vulnerability-in-ieee-p802-11-revme-allowing-fragattacks-against-mesh-networks","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-27558-critical-vulnerability-in-ieee-p802-11-revme-allowing-fragattacks-against-mesh-networks\/","title":{"rendered":"<strong>CVE-2025-27558: Critical Vulnerability in IEEE P802.11-REVme Allowing FragAttacks against Mesh Networks<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-27558 is a high-risk vulnerability that affects the IEEE P802.11-REVme D1.1 through D7.0 standard. This vulnerability allows FragAttacks against mesh networks that employ Wi-Fi Protected Access (WPA, WPA2, WPA3) or Wired Equivalent Privacy (WEP). Mesh networks, often utilized in home, office, and industrial environments, are at <a href=\"https:\/\/www.ameeba.com\/blog\/nsa-s-aisc-unveils-joint-guidance-on-ai-data-security-risks-and-best-practices\/\"  data-wpil-monitor-id=\"53590\">risk of significant data<\/a> compromise due to this issue.<br \/>\nThe <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47577-severe-unrestricted-file-upload-vulnerability-in-ti-woocommerce-wishlist\/\"  data-wpil-monitor-id=\"52096\">severity of this vulnerability<\/a>, combined with its widespread potential impact, makes it a critical issue that needs to be urgently addressed. Given that this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32310-privilege-escalation-vulnerability-in-thememove-quickcal-due-to-csrf\/\"  data-wpil-monitor-id=\"50486\">vulnerability exists due<\/a> to an incorrect fix for a previous vulnerability (CVE-2020-24588), it underscores the importance of rigorous testing in cybersecurity solutions.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-27558<br \/>\nSeverity: Critical (CVSS: 9.1)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <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=\"51187\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3995334013\" 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>IEEE P802.11-REVme | D1.1 through D7.0<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>An attacker exploiting CVE-2025-27558 would be able to inject arbitrary frames towards devices that support receiving non-SSP A-MSDU frames in <a href=\"https:\/\/www.ameeba.com\/blog\/local-hospital-network-grapples-with-major-tech-outage-a-cybersecurity-attack-case-study\/\"  data-wpil-monitor-id=\"51063\">mesh<\/a> networks secured by WPA, WPA2, WPA3, or WEP. This is achieved by taking advantage of the FragAttacks <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6513-brain2-database-configuration-file-access-vulnerability-in-standard-windows-users\/\"  data-wpil-monitor-id=\"64530\">vulnerability in the IEEE P802.11-REVme standard<\/a>. The ability to inject arbitrary frames into the network can lead to unauthorized access, data leakage, and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-22190-critical-gitpython-vulnerability-exposes-windows-systems-to-potential-compromise\/\"  data-wpil-monitor-id=\"51323\">potential system<\/a> compromise.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2389914675\" 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 exact <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5353-local-authenticated-attacker-exploit-in-ivanti-workspace-control\/\"  data-wpil-monitor-id=\"64531\">exploitation methods will vary based on the attacker&#8217;s<\/a> goal and the specific network configuration, the concept remains the same. Here is a conceptual pseudocode example of how this might be achieved:<\/p>\n<pre><code class=\"\" data-line=\"\">def exploit(target_device):\ncreate_malicious_frame = construct_frame(&quot;malicious_payload&quot;)\ninject_frame(target_device, create_malicious_frame)\n# Targeting a specific device in the network\nexploit(target_device_IP)<\/code><\/pre>\n<p>In this simplified example, an attacker creates a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8714-critical-postgresql-vulnerability-allowing-malicious-code-injection-by-superusers\/\"  data-wpil-monitor-id=\"80636\">malicious frame and then injects<\/a> that frame into the target device&#8217;s communication within the mesh network. The malicious frame could contain a variety of payloads, depending on the attacker&#8217;s objective.<\/p>\n<p><strong>Outcomes of the Exploit and Mitigation<\/strong><\/p>\n<p>Successful exploitation of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4809-critical-vulnerability-in-tenda-ac7-router-leads-to-system-compromise\/\"  data-wpil-monitor-id=\"50581\">vulnerability could lead to unauthorized system<\/a> access, compromise of the network, or data leakage. This is particularly concerning given the lack of required <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48340-critical-csrf-vulnerability-in-danny-vink-user-profile-meta-manager-allows-privilege-escalation\/\"  data-wpil-monitor-id=\"52858\">privileges or user<\/a> interaction for this exploit.<br \/>\nMitigation of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-33103-privilege-escalation-vulnerability-in-ibm-tcp-ip-connectivity-utilities-for-i\/\"  data-wpil-monitor-id=\"51402\">vulnerability should be a priority for any organization utilizing<\/a> the affected version of the IEEE P802.11-REVme standard in their mesh networks. The recommended mitigation strategy is to apply vendor patches as soon as they become available. As a temporary measure, using Web Application Firewalls (WAF) or Intrusion Detection Systems (IDS) can offer some level of protection against potential exploits.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-27558 is a high-risk vulnerability that affects the IEEE P802.11-REVme D1.1 through D7.0 standard. This vulnerability allows FragAttacks against mesh networks that employ Wi-Fi Protected Access (WPA, WPA2, WPA3) or Wired Equivalent Privacy (WEP). Mesh networks, often utilized in home, office, and industrial environments, are at risk of significant data compromise due to this [&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":[82],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-44974","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-microsoft"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/44974","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=44974"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/44974\/revisions"}],"predecessor-version":[{"id":73065,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/44974\/revisions\/73065"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=44974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=44974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=44974"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=44974"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=44974"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=44974"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=44974"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=44974"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=44974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}