{"id":76102,"date":"2025-09-24T00:00:30","date_gmt":"2025-09-24T00:00:30","guid":{"rendered":""},"modified":"2025-10-24T08:38:47","modified_gmt":"2025-10-24T14:38:47","slug":"cve-2025-57625-critical-insecure-folder-and-file-permissions-vulnerability-in-cyrisma-sensor","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-57625-critical-insecure-folder-and-file-permissions-vulnerability-in-cyrisma-sensor\/","title":{"rendered":"<strong>CVE-2025-57625: Critical Insecure Folder and File Permissions Vulnerability in CYRISMA Sensor<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-57625 is a serious security vulnerability that affects CYRISMA Sensor for Windows (versions prior to 444). The vulnerability could allow a low-privileged user to escalate their privileges and execute arbitrary code in the context of NT AUTHORITY\\SYSTEM. This can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7775-critical-memory-overflow-vulnerability-in-netscaler-adc-and-gateway-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"83846\">lead to significant system<\/a> compromise or data leakage. Given the pervasiveness of CYRISMA Sensor in many cybersecurity frameworks, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9791-critical-vulnerability-in-tenda-ac20-16-03-08-05-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"84946\">vulnerability&#8217;s potential<\/a> impact is amplified and warrants immediate attention.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-57625<br \/>\nSeverity: Critical (8.8 CVSS Score)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9253-stack-based-buffer-overflow-on-linksys-wi-fi-range-extenders-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"84335\">Potential system<\/a> compromise and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1936442010\" 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: 720px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 22px; font-weight: 600; display: flex; align-items: center; letter-spacing: -0.02em;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 10px;\">\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: 42px; height: 42px;\" \/>\r\n    <\/a>\r\n    Share secrets securely\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 14px; color: #d1d5db;\">\r\n    Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 18px; color: #a1a1aa;\">\r\n    Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 24px; color: #e4e4e7;\">\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Encrypted identity<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Private Spaces for organizations and teams<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 End-to-end encrypted chat, calls, files, and notes<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Sensitive AI work and protected collaboration<\/li>\r\n    <li>\u2022 Built for information that cannot leak<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px; color: #ffffff;\">\r\n    Our mission is to secure human work alongside AI.\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: 8px; font-weight: 500;\">\r\n      Download Ameeba\r\n    <\/a>\r\n\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Learn More\r\n    <\/a>\r\n  <\/div>\r\n<\/div><\/div>\n<p>Product | Affected Versions<\/p>\n<p>CYRISMA Sensor for Windows | Before 444<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43596-insecure-file-system-permissions-vulnerability-in-msp360-backup-8-0\/\"  data-wpil-monitor-id=\"91400\">insecure folder and file permissions<\/a> in CYRISMA Sensor for Windows. More specifically, the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22410-critical-use-after-free-vulnerability-allowing-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"85152\">vulnerability exists because the application allows<\/a> low-privileged users to replace &#8216;DataSpotliteAgent.exe&#8217; or any other binaries invoked by the Cyrisma_Agent service when it starts. By replacing these binaries, an attacker can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-0074-critical-remote-code-execution-vulnerability-in-sdp-discovery\/\"  data-wpil-monitor-id=\"83622\">execute arbitrary code<\/a> with elevated privileges (NT AUTHORITYSYSTEM), leading to potential system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4270070145\" 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 this vulnerability, the attack would likely be carried out <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3931-yggdrasil-s-flaw-opens-door-to-local-privilege-escalation-and-system-compromise\/\"  data-wpil-monitor-id=\"91368\">locally on the system<\/a>, and thus, a specific HTTP request does not apply. However, the below pseudocode provides a conceptual example of how the exploit might be carried out:<\/p>\n<pre><code class=\"\" data-line=\"\"># Assume the attacker has low-level access to the system\n$ cd \/path\/to\/CYRISMA\/Agent\/Binaries\n$ cp \/path\/to\/malicious\/binary DataSpotliteAgent.exe\n# Next time the Cyrisma_Agent service restarts, it will execute the malicious binary<\/code><\/pre>\n<p>It&#8217;s important to note that this is a simplified example. In practice, exploiting this vulnerability would require more detailed knowledge of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-39289-critical-code-execution-vulnerability-in-robot-operating-system-s-rosparam-tool\/\"  data-wpil-monitor-id=\"88721\">CYRISMA<\/a> Sensor and its operating environment.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The recommended mitigation for this vulnerability is to apply the vendor&#8217;s patch. For those who cannot immediately apply the patch, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) may serve as temporary mitigation. However, these are not long-term solutions, and users should apply the patch as soon as feasible.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-57625 is a serious security vulnerability that affects CYRISMA Sensor for Windows (versions prior to 444). The vulnerability could allow a low-privileged user to escalate their privileges and execute arbitrary code in the context of NT AUTHORITY\\SYSTEM. This can lead to significant system compromise or data leakage. Given the pervasiveness of CYRISMA Sensor in [&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-76102","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\/76102","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=76102"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/76102\/revisions"}],"predecessor-version":[{"id":84506,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/76102\/revisions\/84506"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=76102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=76102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=76102"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=76102"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=76102"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=76102"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=76102"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=76102"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=76102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}