{"id":28156,"date":"2025-04-21T02:28:42","date_gmt":"2025-04-21T02:28:42","guid":{"rendered":""},"modified":"2025-05-26T05:24:56","modified_gmt":"2025-05-26T05:24:56","slug":"cve-2023-51073-arbitrary-code-execution-vulnerability-in-buffalo-ls210d","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2023-51073-arbitrary-code-execution-vulnerability-in-buffalo-ls210d\/","title":{"rendered":"<strong>CVE-2023-51073: Arbitrary Code Execution Vulnerability in Buffalo LS210D<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A severe vulnerability, known as CVE-2023-51073, has been identified in Buffalo LS210D version 1.78-0.03. This vulnerability allows a remote attacker to execute arbitrary code via the Firmware Update Script at \/etc\/init.d\/update_notifications.sh. As such, it affects any individual or organization that uses Buffalo LS210D, particularly the specified version, in their network infrastructure. This poses a significant risk, as exploitation of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32569-critical-deserialization-of-untrusted-data-vulnerability-in-tableon-wordpress-plugin\/\"  data-wpil-monitor-id=\"32318\">vulnerability could potentially lead to system compromise or data<\/a> leakage, severely impacting the security and integrity of the affected system.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2023-51073<br \/>\nSeverity: High (CVSS score: 8.1)<br \/>\nAttack Vector: Remote<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-37297-vulnerability-in-ami-s-spx-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"33426\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3568119726\" 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>Buffalo LS210D | v.1.78-0.03<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>This exploit works by taking advantage of a flaw in the Firmware Update <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30727-unpatched-vulnerability-in-oracle-scripting-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"35793\">Script at \/etc\/init.d\/update_notifications.sh in Buffalo LS210D&#8217;s system<\/a>. An attacker, without requiring any <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31524-privilege-escalation-vulnerability-in-notfound-wp-user-profiles\/\"  data-wpil-monitor-id=\"32365\">user interaction or special privileges<\/a>, can remotely send specially crafted inputs to this script. As a result, they can cause the system to execute arbitrary code, potentially gaining <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3417-unauthorized-data-modification-and-privilege-escalation-in-wordpress-embedder-plugin\/\"  data-wpil-monitor-id=\"32431\">unauthorized access or compromising the system&#8217;s data<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4078398406\" 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>Below is a conceptual example of how the vulnerability might be exploited. This example uses a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-11861-critical-command-injection-vulnerability-in-enersys-ampa-granting-privileged-remote-shell-access\/\"  data-wpil-monitor-id=\"45239\">shell command<\/a>, as that would be the most typical method of exploiting this vulnerability:<\/p>\n<pre><code class=\"\" data-line=\"\">ssh user@target.example.com &#039;echo &quot;malicious_payload&quot; &gt; \/etc\/init.d\/update_notifications.sh &amp;&amp; chmod +x \/etc\/init.d\/update_notifications.sh&#039;<\/code><\/pre>\n<p>In this example, an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-41645-unauthenticated-remote-attacker-hijacking-via-demo-account\/\"  data-wpil-monitor-id=\"49985\">attacker connects to the target system via<\/a> SSH, then overwrite the `update_notifications.sh` script with their malicious payload. They then make the newly-written script executable, enabling the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-42970-use-after-free-vulnerability-in-multiple-apple-platforms-may-lead-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"33012\">arbitrary code<\/a> to be run.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>To mitigate this vulnerability, users of Buffalo LS210D should apply the patch provided by the vendor as soon as possible. In case the patch cannot be applied immediately, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as temporary mitigation measures to detect and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-38657-out-of-bounds-write-vulnerability-in-gtkwave-lxt2-zlib-block-decompression\/\"  data-wpil-monitor-id=\"43180\">block any attempts to exploit this vulnerability<\/a>. However, these measures should not be seen as a permanent solution, and applying the official patch should be prioritized.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A severe vulnerability, known as CVE-2023-51073, has been identified in Buffalo LS210D version 1.78-0.03. This vulnerability allows a remote attacker to execute arbitrary code via the Firmware Update Script at \/etc\/init.d\/update_notifications.sh. As such, it affects any individual or organization that uses Buffalo LS210D, particularly the specified version, in their network infrastructure. This poses a [&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-28156","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\/28156","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=28156"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/28156\/revisions"}],"predecessor-version":[{"id":44597,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/28156\/revisions\/44597"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=28156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=28156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=28156"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=28156"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=28156"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=28156"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=28156"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=28156"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=28156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}