{"id":30077,"date":"2025-04-23T20:59:03","date_gmt":"2025-04-23T20:59:03","guid":{"rendered":""},"modified":"2025-06-23T23:24:06","modified_gmt":"2025-06-24T05:24:06","slug":"cve-2025-27539-sql-injection-vulnerability-in-telecontrol-server-basic","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-27539-sql-injection-vulnerability-in-telecontrol-server-basic\/","title":{"rendered":"<strong>CVE-2025-27539: SQL Injection Vulnerability in TeleControl Server Basic<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is under constant threat from various vulnerabilities. One such vulnerability that poses a significant risk to the security of computer systems is CVE-2025-27539. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27495-critical-sql-injection-vulnerability-in-telecontrol-server-basic\/\"  data-wpil-monitor-id=\"36417\">vulnerability affects all versions of TeleControl Server<\/a> Basic below version V3.1.2.2. This vulnerability is particularly concerning because it enables an unauthenticated remote attacker to bypass authorization controls, read from, and write to the application&#8217;s database and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-48262-remote-denial-of-service-and-potential-remote-code-execution-vulnerability\/\"  data-wpil-monitor-id=\"34300\">execute code<\/a> with &#8220;NT AUTHORITYNetworkService&#8221; permissions.<br \/>\nGiven the widespread use of TeleControl Server Basic across various organizations, this vulnerability, if exploited, could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-48263-unauthenticated-remote-attack-leading-to-dos-and-potential-rce\/\"  data-wpil-monitor-id=\"34358\">potentially lead<\/a> to a system compromise or data leakage. Therefore, understanding the nature of this vulnerability, how it works, and the steps that can be taken to mitigate it is <a href=\"https:\/\/www.ameeba.com\/blog\/cisa-funding-confusion-a-threat-to-essential-cybersecurity-programs\/\"  data-wpil-monitor-id=\"35295\">essential for all cybersecurity<\/a> professionals and system administrators.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-27539<br \/>\nSeverity: Critical (9.8 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2007-wordpress-plugin-vulnerability-leads-to-arbitrary-file-deletion-and-potential-system-compromise\/\"  data-wpil-monitor-id=\"34613\">Potential system<\/a> compromise, data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1396551870\" 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-2025-27540-severe-sql-injection-vulnerability-in-telecontrol-server-basic\/\"  data-wpil-monitor-id=\"36455\">TeleControl Server<\/a> Basic | All versions < V3.1.2.2\n\n<strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-26683-improper-authorization-vulnerability-in-azure-playwright\/\"  data-wpil-monitor-id=\"35680\">vulnerability is a result of the application&#8217;s improper<\/a> handling of user-supplied input in the &#8216;VerifyUser&#8217; method. An attacker can exploit this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28100-critical-sql-injection-vulnerability-in-dingfanzucms-v-1-0\/\"  data-wpil-monitor-id=\"34905\">vulnerability by sending specially crafted SQL<\/a> statements, which are passed to the application&#8217;s database. This allows the attacker to manipulate the SQL queries to extract data from the database, modify the data, or <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-48265-critical-unauthenticated-denial-of-service-and-remote-code-execution-vulnerability\/\"  data-wpil-monitor-id=\"34403\">execute arbitrary code<\/a> with &#8220;NT AUTHORITYNetworkService&#8221; permissions.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p>\n<p>Below is a conceptual example of how an attacker might <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-50123-exploitable-vulnerability-in-hozard-alarm-system-sms-authentication\/\"  data-wpil-monitor-id=\"34936\">exploit this vulnerability<\/a> using an HTTP request:<\/p><div id=\"ameeb-1663674347\" 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<pre><code class=\"\" data-line=\"\">POST \/VerifyUser HTTP\/1.1\nHost: vulnerablehost:8000\nContent-Type: application\/json\n{ &quot;username&quot;: &quot;admin&#039;; DROP TABLE users;--&quot; }<\/code><\/pre>\n<p>In this example, the <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=\"60891\">attacker sends a malicious SQL<\/a> statement as part of the &#8216;username&#8217; parameter. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-51101-critical-sql-injection-vulnerability-in-phpgurukul-restaurant-table-booking-system\/\"  data-wpil-monitor-id=\"54383\">SQL statement is designed to drop the &#8216;users&#8217; table<\/a> from the application&#8217;s database.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>To mitigate this vulnerability, users are advised to apply the vendor patch V3.1.2.2. As a temporary mitigation, users can use a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) to detect and prevent <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32119-blind-sql-injection-vulnerability-in-cardgate-payments-for-woocommerce-plugin\/\"  data-wpil-monitor-id=\"34564\">SQL injection<\/a> attacks. It is also highly recommended to follow the principle of least privilege. Ensure that any account that can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32445-privileged-access-vulnerability-in-argo-events-framework-for-kubernetes\/\"  data-wpil-monitor-id=\"35511\">access the &#8216;VerifyUser&#8217; method does not have more privileges<\/a> than it needs to perform its intended function.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is under constant threat from various vulnerabilities. One such vulnerability that poses a significant risk to the security of computer systems is CVE-2025-27539. This vulnerability affects all versions of TeleControl Server Basic below version V3.1.2.2. This vulnerability is particularly concerning because it enables an unauthenticated remote attacker to bypass authorization controls, [&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":[74],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-30077","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-sql-injection"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/30077","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=30077"}],"version-history":[{"count":14,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/30077\/revisions"}],"predecessor-version":[{"id":54592,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/30077\/revisions\/54592"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=30077"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=30077"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=30077"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=30077"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=30077"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=30077"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=30077"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=30077"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=30077"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}