{"id":86364,"date":"2026-01-29T15:15:55","date_gmt":"2026-01-29T15:15:55","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T00:00:00","slug":"cve-2025-3600-unsafe-reflection-vulnerability-in-progress-r-telerik-r-ui-for-ajax","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-3600-unsafe-reflection-vulnerability-in-progress-r-telerik-r-ui-for-ajax\/","title":{"rendered":"CVE-2025-3600: Unsafe Reflection Vulnerability in Progress\u00ae Telerik\u00ae UI for AJAX<\/strong>"},"content":{"rendered":"

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

This report delves into the CVE-2025-3600 vulnerability, an unsafe reflection issue discovered in Progress\u00ae Telerik\u00ae UI for AJAX. Affecting versions from 2011.2.712 to 2025.1.218, the vulnerability has the potential to crash the hosting process and cause a denial of service. Due to the widespread use of Telerik\u00ae UI for AJAX, this vulnerability could have significant impacts if not promptly addressed.<\/p>\n

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

CVE ID: CVE-2025-3600
\nSeverity: High (7.5)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Hosting process crash and potential denial of service, with further potential for system compromise or data leakage<\/p>\n

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

Product | Affected Versions<\/p>\n

Progress\u00ae Telerik\u00ae UI for AJAX | 2011.2.712 to 2025.1.218<\/p>\n

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

The exploit works by leveraging an unsafe reflection vulnerability within the Telerik\u00ae UI for AJAX. An attacker could craft a malicious payload that, when processed by the vulnerable application, causes an unhandled exception. This exception could lead to a crash of the hosting process, resulting in a denial of service.<\/p>\n

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

Here is a conceptual example of how the vulnerability could be exploited:<\/p>\n

POST \/vulnerable\/endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ \"malicious_payload\": \"{...malicious code...}\" }<\/code><\/pre>\n
This HTTP request sends a crafted JSON object with a malicious payload to a vulnerable endpoint. The payload then triggers the unhandled exception, crashing the hosting process.<\/p>\n
Mitigation<\/strong><\/p>\n
Users are strongly advised to apply the vendor-supplied patch for this issue. If a patch is not immediately available, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as a temporary mitigation measure. Regularly updating and patching software, as well as monitoring network traffic for anomalies, can also help prevent successful exploitation of this vulnerability.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview This report delves into the CVE-2025-3600 vulnerability, an unsafe reflection issue discovered in Progress\u00ae Telerik\u00ae UI for AJAX. Affecting versions from 2011.2.712 to 2025.1.218, the vulnerability has the potential to crash the hosting process and cause a denial of service. Due to the widespread use of Telerik\u00ae UI for AJAX, this vulnerability could have […]<\/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":[],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-86364","post","type-post","status-publish","format-standard","hentry"],"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