{"id":59491,"date":"2025-07-19T12:59:52","date_gmt":"2025-07-19T12:59:52","guid":{"rendered":""},"modified":"2025-08-30T08:49:30","modified_gmt":"2025-08-30T14:49:30","slug":"cve-2025-2521-memory-buffer-vulnerability-in-honeywell-experion-pks-and-onewireless-wdm","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-2521-memory-buffer-vulnerability-in-honeywell-experion-pks-and-onewireless-wdm\/","title":{"rendered":"<strong>CVE-2025-2521: Memory Buffer Vulnerability in Honeywell Experion PKS and OneWireless WDM<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the rapidly evolving field of cybersecurity, new vulnerabilities are continually being discovered and exploited. One recent vulnerability, identified as CVE-2025-2521, has been detected in Honeywell Experion PKS and OneWireless WDM. These <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-41659-codesys-control-runtime-system-pki-folder-vulnerability\/\"  data-wpil-monitor-id=\"73940\">systems are widely used in industrial control<\/a>, exposing a broad range of industries to potential attacks. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53076-critical-overread-buffers-vulnerability-in-samsung-s-rlottie\/\"  data-wpil-monitor-id=\"66247\">vulnerability lies in an overread buffer<\/a> in the Control Data Access (CDA) component, which could lead to remote code execution by a malicious actor.<br \/>\nThis <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47998-severe-heap-based-buffer-overflow-vulnerability-in-windows-routing-and-remote-access-service\/\"  data-wpil-monitor-id=\"69735\">vulnerability is particularly concerning due to its severe<\/a> impact and the wide range of affected products. The potential for system compromise or data leakage is a significant threat to the security and integrity of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43209-high-risk-out-of-bounds-access-vulnerability-affecting-multiple-apple-operating-systems\/\"  data-wpil-monitor-id=\"69733\">operations in affected<\/a> industries.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-2521<br \/>\nSeverity: High, CVSS Score 8.6<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31278-memory-corruption-vulnerability-with-potential-system-compromise\/\"  data-wpil-monitor-id=\"70369\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3938909214\" 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><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3947-integer-underflow-vulnerability-in-honeywell-experion-pks\/\"  data-wpil-monitor-id=\"75418\">Honeywell Experion<\/a> PKS | 520.1 through 520.2 TCU9 and 530 through 530 TCU3<br \/>\nOneWireless WDM | 322.1 through 322.4 and 330.1 through 330.3<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7460-critical-vulnerability-in-totolink-t6-leads-to-buffer-overflow\/\"  data-wpil-monitor-id=\"66891\">vulnerability in question exists due to inadequate buffer<\/a> size validation in the CDA component of the affected systems. An <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-42959-unauthenticated-replay-attack-exploiting-hmac-reuse\/\"  data-wpil-monitor-id=\"73941\">attacker could exploit<\/a> this by sending specially crafted packets that would cause an overread of the buffer. This could potentially lead to remote code execution, allowing an attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54416-arbitrary-command-execution-vulnerability-in-tj-actions-branch-names-github-action\/\"  data-wpil-monitor-id=\"69734\">execute arbitrary<\/a> code on the affected system.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3698194749\" 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>Here&#8217;s a conceptual example of how the vulnerability might be exploited. This is a pseudocode representation of a malicious packet that might trigger the buffer overread:<\/p>\n<pre><code class=\"\" data-line=\"\"># Malicious Payload\nmalicious_payload = {&quot;buffer&quot;: &quot;OVERFLOW&quot;}\n# Send the malicious payload\nsend_packet(&quot;target_ip_address&quot;, &quot;target_port&quot;, malicious_payload)<\/code><\/pre>\n<p>Please note that this is a simplified representation and actual exploit code would likely be more complex.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the rapidly evolving field of cybersecurity, new vulnerabilities are continually being discovered and exploited. One recent vulnerability, identified as CVE-2025-2521, has been detected in Honeywell Experion PKS and OneWireless WDM. These systems are widely used in industrial control, exposing a broad range of industries to potential attacks. The vulnerability lies in an overread [&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":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-59491","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59491","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=59491"}],"version-history":[{"count":6,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59491\/revisions"}],"predecessor-version":[{"id":67970,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59491\/revisions\/67970"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59491"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59491"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59491"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59491"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59491"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59491"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59491"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59491"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}