{"id":37638,"date":"2025-05-13T03:27:23","date_gmt":"2025-05-13T03:27:23","guid":{"rendered":""},"modified":"2025-05-24T05:22:25","modified_gmt":"2025-05-24T05:22:25","slug":"cve-2025-4345-critical-buffer-overflow-vulnerability-in-d-link-dir-600l","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-4345-critical-buffer-overflow-vulnerability-in-d-link-dir-600l\/","title":{"rendered":"CVE-2025-4345: Critical Buffer Overflow Vulnerability in D-Link DIR-600L<\/strong>"},"content":{"rendered":"

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

This post delves into a severe vulnerability identified in the D-Link DIR-600L up to version 2.07B01. The vulnerability, marked as CVE-2025-4345, allows potential intruders to initiate a buffer overflow attack remotely and compromise the system. This vulnerability poses a significant risk to users of the affected D-Link<\/a> model, which, despite being no longer supported by the manufacturer, is still widely used in many homes and small businesses. If exploited, attackers could potentially gain unauthorized access<\/a>, control over the system, and even leak sensitive data.<\/p>\n

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

CVE ID: CVE-2025-4345
\nSeverity: Critical (8.8 CVSS Severity Score)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Potential system<\/a> compromise or data leakage<\/p>\n

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

Product | Affected Versions<\/p>\n

D-Link DIR-600L<\/a> | Up to 2.07B01<\/p>\n

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

The vulnerability is located in the ‘formSetLog’ function of the D-Link<\/a> DIR-600L firmware. Attackers can manipulate the ‘host’ argument, which leads to an overflow of the buffer<\/a>. This overflow can then be used to execute arbitrary code<\/a> on the system. The exploit can be triggered remotely without the need for authenticated access<\/a>, making it a particularly dangerous vulnerability.<\/p>\n

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

Please note this is purely a hypothetical example. Exploiting vulnerabilities<\/a> is illegal and unethical.<\/p>\n

POST \/formSetLog HTTP\/1.1\nHost: vulnerable_router\nContent-Type: application\/x-www-form-urlencoded\nhost=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA... [continue until overflow]<\/code><\/pre>\n
In this example, the ‘host’ argument is filled with an excessive number of ‘A’ characters, triggering a buffer overflow<\/a>. In a real-world exploit, the overflow might be used to inject and execute malicious code<\/a>.<\/p>\n
Recommendations for Mitigation<\/strong><\/p>\n
Users of the D-Link DIR-600L router<\/a> should immediately apply the vendor-provided patch to mitigate the risk. As a temporary measure, the use of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide some protection. However, these are not long-term solutions and cannot fully prevent exploitation. It is also strongly recommended to replace unsupported devices with newer, supported models to avoid the risk of future vulnerabilities<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview This post delves into a severe vulnerability identified in the D-Link DIR-600L up to version 2.07B01. The vulnerability, marked as CVE-2025-4345, allows potential intruders to initiate a buffer overflow attack remotely and compromise the system. This vulnerability poses a significant risk to users of the affected D-Link model, which, despite being no longer supported […]<\/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":[86],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-37638","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow"],"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