{"id":71011,"date":"2025-09-03T20:40:17","date_gmt":"2025-09-03T20:40:17","guid":{"rendered":""},"modified":"2025-10-03T07:09:00","modified_gmt":"2025-10-03T13:09:00","slug":"cve-2025-50989-opnsense-command-injection-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-50989-opnsense-command-injection-vulnerability\/","title":{"rendered":"<strong>CVE-2025-50989: OPNsense Command Injection Vulnerability<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity ecosystem has recently observed a significant vulnerability CVE-2025-50989, affecting OPNsense 25.1 users. This vulnerability is of particular concern as it lies within an authenticated command injection in the Bridge Interface Edit endpoint (interfaces_bridge_edit.php). The vulnerability&#8217;s gravity is underscored by its potential to allow an administrator to inject arbitrary shell operators and payloads, which might <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30405-executorch-integer-overflow-vulnerability-could-lead-to-system-compromise\/\"  data-wpil-monitor-id=\"78713\">lead to a full system<\/a> compromise or data leakage.<br \/>\nThis vulnerability is a stark reminder of the risks associated with inadequate <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24325-improper-input-validation-in-intel-r-800-series-ethernet-driver-allows-potential-escalation-of-privilege\/\"  data-wpil-monitor-id=\"80467\">input validation and improper<\/a> handling of user-supplied data in backend command invocations. It brings to light the critical need for robust cybersecurity measures in our increasingly digital world, where every <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40920-weak-cryptographic-source-in-data-uuid-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"79856\">potential weak<\/a> spot can be exploited by malicious actors.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-50989<br \/>\nSeverity: High (CVSS: 8.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Administrator<br \/>\nUser Interaction: Required<br \/>\nImpact: Full <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54788-sql-injection-vulnerability-in-suitecrm-leading-to-potential-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"80200\">system compromise or data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-822324109\" 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>OPNsense | 25.1<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of an authenticated command <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-41531-sql-injection-vulnerabilities-in-hospital-management-system-v4\/\"  data-wpil-monitor-id=\"78698\">injection vulnerability<\/a> in the Bridge Interface Edit endpoint of OPNsense. The &#8216;span&#8217; POST parameter is concatenated into a system-level command without adequate sanitation or escaping. This flaw allows an authenticated administrator to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8715-arbitrary-code-and-sql-injection-vulnerability-in-postgresql\/\"  data-wpil-monitor-id=\"78778\">inject arbitrary<\/a> shell operators and payloads. Successful exploitation of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4796-privilege-escalation-vulnerability-in-eventin-wordpress-plugin\/\"  data-wpil-monitor-id=\"78646\">vulnerability permits remote code execution with the privileges<\/a> of the web service, typically root, which could potentially lead to a full system compromise or lateral movement.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2588630196\" 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 the HTTP <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52797-critical-cross-site-request-forgery-csrf-vulnerability-in-josepsitjar-storymap\/\"  data-wpil-monitor-id=\"79410\">request that might exploit this vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/interfaces_bridge_edit.php HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\nAuthorization: Basic base64encoded(username:password)\nspan=valid_bridge_span ; injected_shell_command ;<\/code><\/pre>\n<p>In the above example, &#8220;valid_bridge_span&#8221; is a legitimate input for the &#8216;span&#8217; parameter, while &#8220;injected_shell_command&#8221; is the malicious payload. The separator &#8216;;&#8217; allows the malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46122-arbitrary-command-execution-vulnerability-in-commscope-ruckus-unleashed\/\"  data-wpil-monitor-id=\"78912\">command to be executed<\/a> after the legitimate one.<\/p>\n<p><strong>Workarounds and Mitigation<\/strong><\/p>\n<p>OPNsense users are advised to apply the vendor patch as soon as it is <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-26383-critical-vulnerability-in-amd-tee-puts-system-integrity-and-data-availability-in-jeopardy\/\"  data-wpil-monitor-id=\"88086\">available to fix this vulnerability<\/a>. In the absence of a patch, the use of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can temporarily mitigate the risk. These systems can be configured to detect and block <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46414-unlimited-pin-attempts-vulnerability-in-api\/\"  data-wpil-monitor-id=\"81258\">attempts to exploit this vulnerability<\/a>. It&#8217;s also recommended to limit the number of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9114-critical-arbitrary-user-password-change-vulnerability-in-doccure-wordpress-theme\/\"  data-wpil-monitor-id=\"88314\">users with administrator privileges and enforce a strong password<\/a> policy to minimize the risk of exploitation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity ecosystem has recently observed a significant vulnerability CVE-2025-50989, affecting OPNsense 25.1 users. This vulnerability is of particular concern as it lies within an authenticated command injection in the Bridge Interface Edit endpoint (interfaces_bridge_edit.php). The vulnerability&#8217;s gravity is underscored by its potential to allow an administrator to inject arbitrary shell operators and payloads, [&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":[78,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-71011","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-injection","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/71011","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=71011"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/71011\/revisions"}],"predecessor-version":[{"id":81123,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/71011\/revisions\/81123"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=71011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=71011"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=71011"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=71011"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=71011"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=71011"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=71011"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=71011"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=71011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}