{"id":59517,"date":"2025-07-20T15:10:58","date_gmt":"2025-07-20T15:10:58","guid":{"rendered":""},"modified":"2025-10-03T12:32:43","modified_gmt":"2025-10-03T18:32:43","slug":"cve-2025-50756-command-injection-vulnerability-in-wavlink-wn535k3","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-50756-command-injection-vulnerability-in-wavlink-wn535k3\/","title":{"rendered":"<strong>CVE-2025-50756: Command Injection Vulnerability in Wavlink WN535K3<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>This article delves into the specifics of a severe vulnerability, CVE-2025-50756, found in Wavlink WN535K3 20191010. This particular vulnerability poses a significant threat due to its ability to allow attackers to execute arbitrary commands via a crafted request. The danger extends to any system or network utilizing the Wavlink WN535K3, making it a crucial point of focus for <a href=\"https:\/\/www.ameeba.com\/blog\/introducing-the-ameeba-cybersecurity-group-chat\/\"  data-wpil-monitor-id=\"88453\">cybersecurity<\/a> professionals, system administrators, and any individuals or businesses using the affected product. Understanding and mitigating this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8028-critical-vulnerability-in-firefox-and-thunderbird-due-to-incorrect-computation-of-branch-address\/\"  data-wpil-monitor-id=\"73846\">vulnerability is of paramount importance due<\/a> to its potential for system compromise or data leakage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-50756<br \/>\nSeverity: Critical (9.8 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50160-heap-based-buffer-overflow-in-windows-rras-posing-system-compromise-risk\/\"  data-wpil-monitor-id=\"78529\">System compromise<\/a>, potential data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2309769470\" 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>Wavlink | WN535K3 20191010<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of a command <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54451-code-injection-vulnerability-in-samsung-electronics-magicinfo-9-server\/\"  data-wpil-monitor-id=\"67570\">injection vulnerability<\/a> in the set_sys_adm function via the newpass parameter in Wavlink WN535K3. An attacker, by crafting a specific request, can utilize this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8029-critical-javascript-execution-vulnerability-in-thunderbird\/\"  data-wpil-monitor-id=\"67473\">vulnerability to execute<\/a> arbitrary commands on the system. This means that an attacker can potentially gain <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4855-unauthorized-access-vulnerability-in-support-board-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"70959\">unauthorized access<\/a> to the system and possibly manipulate or steal sensitive data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2156307683\" 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>The following is a conceptual example of how this vulnerability might be exploited. This example presumes the attacker has the necessary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1411-exploitation-of-unnecessary-privileges-in-ibm-security-verify-directory-container\/\"  data-wpil-monitor-id=\"78128\">privileges and has crafted a malicious payload to exploit<\/a> the vulnerability.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/set_sys_adm HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\nnewpass=; [Insert Malicious Command Here]<\/code><\/pre>\n<p>In this request, the attacker replaces &#8220;[Insert Malicious Command Here] with a specific <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=\"70960\">command that they wish to execute<\/a> on the system. This command could potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-41666-watchdog-file-replacement-vulnerability-allowing-remote-access-and-control\/\"  data-wpil-monitor-id=\"67474\">allow them access<\/a> to sensitive information, the ability to manipulate system settings, or even control over the entire system.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>The most effective mitigation against this vulnerability is to apply the vendor patch as soon as it becomes available. This will fix the vulnerability and prevent <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-42959-unauthenticated-replay-attack-exploiting-hmac-reuse\/\"  data-wpil-monitor-id=\"73847\">attackers from being able to exploit<\/a> it. In the meantime, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as a temporary mitigation. Both of these <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52376-authentication-bypass-vulnerability-in-nexxt-solutions-ncm-x1800-mesh-router\/\"  data-wpil-monitor-id=\"75479\">solutions can detect and prevent attempts to exploit this vulnerability<\/a>, protecting your system until a permanent fix is applied.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview This article delves into the specifics of a severe vulnerability, CVE-2025-50756, found in Wavlink WN535K3 20191010. This particular vulnerability poses a significant threat due to its ability to allow attackers to execute arbitrary commands via a crafted request. The danger extends to any system or network utilizing the Wavlink WN535K3, making it a crucial [&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],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-59517","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-injection"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59517","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=59517"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59517\/revisions"}],"predecessor-version":[{"id":81262,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59517\/revisions\/81262"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59517"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59517"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59517"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59517"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59517"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59517"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59517"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59517"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}