{"id":30334,"date":"2025-04-24T07:03:36","date_gmt":"2025-04-24T07:03:36","guid":{"rendered":""},"modified":"2025-08-30T14:30:37","modified_gmt":"2025-08-30T20:30:37","slug":"cve-2025-29040-critical-vulnerability-in-dlink-dir-832x-240802-allows-remote-code-execution","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-29040-critical-vulnerability-in-dlink-dir-832x-240802-allows-remote-code-execution\/","title":{"rendered":"CVE-2025-29040: Critical Vulnerability in Dlink DIR 832x 240802 Allows Remote Code Execution<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The cybersecurity community is currently dealing with a severe vulnerability, CVE-2025-29040, that is causing considerable concern for users of Dlink DIR 832x 240802. This vulnerability allows remote attackers to execute arbitrary code via specific key values and functions, which could potentially compromise the system or lead to data leakage. Given the widespread use of Dlink routers in various settings<\/a>, including homes and businesses, a vulnerability of this magnitude could have far-reaching implications if not immediately addressed.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-29040
\nSeverity: Critical (CVSS: 9.8)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: System compromise<\/a>, potential data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Dlink DIR 832x<\/a> | 240802<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The exploit works by targeting the ‘target_addr’ key value and the function 0x41737c in Dlink DIR 832x<\/a> 240802. An attacker sends a specifically crafted payload to these areas, which allows them to execute any code<\/a> of their choice. The vulnerability exists because the software does not properly validate input before processing it, leading to arbitrary<\/a> code execution.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Below is a conceptual example of how the vulnerability might be exploited<\/a>. This is a sample HTTP request<\/a> with a malicious payload, which is sent to the target.<\/p>\n

POST \/target_addr\/function HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ \"target_addr\": \"0x41737c\", \"malicious_payload\": \"...\" }<\/code><\/pre>\n
In this example, the malicious payload could be any code<\/a> that the attacker wants to run on the system. Once the server processes this request, the code is executed, providing the attacker with potential full control over the system<\/a>.<\/p>\n
Mitigation<\/strong><\/p>\n
Until a patch is released by the vendor, users are advised to implement a Web Application<\/a> Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation measure. These systems can help to detect and block malicious payloads from being sent to the server, thus preventing exploitation of this vulnerability<\/a>. It is also recommended to monitor network traffic<\/a> for any suspicious activities. As soon as the vendor provides a patch for this vulnerability<\/a>, it should be applied immediately to prevent potential exploits.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The cybersecurity community is currently dealing with a severe vulnerability, CVE-2025-29040, that is causing considerable concern for users of Dlink DIR 832x 240802. This vulnerability allows remote attackers to execute arbitrary code via specific key values and functions, which could potentially compromise the system or lead to data leakage. Given the widespread use of […]<\/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,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-30334","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t