{"id":76935,"date":"2025-09-26T15:27:48","date_gmt":"2025-09-26T15:27:48","guid":{"rendered":""},"modified":"2025-10-02T17:20:22","modified_gmt":"2025-10-02T23:20:22","slug":"cve-2025-10779-stack-based-buffer-overflow-vulnerability-in-d-link-dcs-935l","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-10779-stack-based-buffer-overflow-vulnerability-in-d-link-dcs-935l\/","title":{"rendered":"<strong>CVE-2025-10779: Stack-based Buffer Overflow Vulnerability in D-Link DCS-935L<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-10779 is a critical vulnerability found in specific versions of D-Link DCS-935L. This vulnerability poses a significant risk as it can be exploited remotely and may potentially lead to a system compromise or data leakage. It is particularly concerning as the affected products are no longer supported by the maintainer, meaning that users must take specific steps to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-36326-bypassing-amd-romarmor-protections-to-compromise-system-security\/\"  data-wpil-monitor-id=\"87872\">protect their systems<\/a>.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-10779<br \/>\nSeverity: Critical (CVSS: 8.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <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=\"84970\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3331776901\" 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>D-Link DCS-935L | up to 1.13.01<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55454-authenticated-arbitrary-file-upload-vulnerability-in-dootask-v1-0-51\/\"  data-wpil-monitor-id=\"84445\">vulnerability lies in the sub_402280 function of the \/HNAP1\/ file<\/a>. A stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9251-high-risk-buffer-overflow-vulnerability-in-linksys-wi-fi-extenders\/\"  data-wpil-monitor-id=\"84156\">buffer overflow<\/a> can be triggered by the manipulation of the HNAP_AUTH\/SOAPAction argument. This <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=\"84161\">leads to an overflow of the buffer<\/a>, which can allow an attacker to remotely execute arbitrary code or cause a denial of service (DoS) attack.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1528567811\" 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 is a conceptual example of how the vulnerability might be exploited. This pseudocode represents a HTTP request that manipulates the HNAP_AUTH\/SOAPAction argument:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/HNAP1\/ HTTP\/1.1\nHost: vulnerable.example.com\nContent-Type: text\/xml; charset=&quot;utf-8&quot;\nSOAPAction: &quot;http:\/\/purenetworks.com\/HNAP1\/OverFlowBuffer&quot;\n&lt;?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot;?&gt;\n&lt;SOAP-ENV:Envelope xmlns:SOAP-ENV=&quot;http:\/\/schemas.xmlsoap.org\/soap\/envelope\/&quot;&gt;\n&lt;SOAP-ENV:Body&gt;\n&lt;OverFlowBuffer xmlns=&quot;http:\/\/purenetworks.com\/HNAP1\/&quot;&gt;\n&lt;malicious_payload&gt; ... &lt;\/malicious_payload&gt;\n&lt;\/OverFlowBuffer&gt;\n&lt;\/SOAP-ENV:Body&gt;\n&lt;\/SOAP-ENV:Envelope&gt;<\/code><\/pre>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Given the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2022-38693-severe-memory-buffer-overflow-vulnerability-in-fdl1\/\"  data-wpil-monitor-id=\"84519\">severity of this vulnerability<\/a>, it is strongly recommended to apply a vendor patch as soon as possible. If a patch is not available <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36899-unchecked-privilege-escalation-vulnerability-due-to-debugging-code-in-production-build\/\"  data-wpil-monitor-id=\"87086\">due to the product<\/a> no longer being supported, implementing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-10779 is a critical vulnerability found in specific versions of D-Link DCS-935L. This vulnerability poses a significant risk as it can be exploited remotely and may potentially lead to a system compromise or data leakage. It is particularly concerning as the affected products are no longer supported by the maintainer, meaning that users must [&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":[86,87],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-76935","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow","attack_vector-dos"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/76935","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=76935"}],"version-history":[{"count":7,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/76935\/revisions"}],"predecessor-version":[{"id":80686,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/76935\/revisions\/80686"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=76935"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=76935"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=76935"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=76935"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=76935"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=76935"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=76935"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=76935"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=76935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}