How severe is CVE-2025-3600?

CVE-2025-3600 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-3600 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3600?

CVE-2025-3600 affects Progress Telerik Ui For Asp.net Ajax. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3600?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-3600 have an EU (EUVD) identifier?

Yes. CVE-2025-3600 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25818.

When was CVE-2025-3600 published?

CVE-2025-3600 was published on 2025-05-14 and last updated on 2026-06-17.

CVE-2025-3600

CVE-2025-3600 is a high-severity vulnerability in Progress Telerik Ui For Asp.net Ajax with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-470.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 19% (97th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25818
Weakness: CWE-470
Affected product: Progress Telerik Ui For Asp.net Ajax
Published: 2025-05-14
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-3600?: 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.
How severe is CVE-2025-3600?: CVE-2025-3600 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-3600 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3600?: CVE-2025-3600 affects Progress Telerik Ui For Asp.net Ajax. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3600?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-3600 have an EU (EUVD) identifier?: Yes. CVE-2025-3600 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25818.
When was CVE-2025-3600 published?: CVE-2025-3600 was published on 2025-05-14 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:progress:telerik_ui_for_asp.net_ajax:*:*:*:*:*:*:*:*

More vulnerabilities in Progress Telerik Ui For Asp.net Ajax

CVE-2021-28141 — Critical (CVSS 9.8): An issue was discovered in Progress Telerik UI for ASP.NET AJAX 2021.1.224. It allows unauthorized access to…
CVE-2019-19790 — Critical (CVSS 9.8): Path traversal in RadChart in Telerik UI for ASP.NET AJAX allows a remote attacker to read and delete an image with…
CVE-2017-11357 — Critical (CVSS 9.8): Progress Telerik UI for ASP.NET AJAX before R2 2017 SP2 does not properly restrict user input to RadAsyncUpload, which…
CVE-2026-6023 — High (CVSS 8.1): In Progress® Telerik® UI for AJAX versions 2024.4.1114 through 2026.1.421, the RadFilter control is vulnerable to…
CVE-2026-6022 — High (CVSS 7.5): In Progress® Telerik® UI for AJAX prior to 2026.1.421, RadAsyncUpload contains an uncontrolled resource consumption…
CVE-2014-2217 — High (CVSS 7.5): Absolute path traversal vulnerability in the RadAsyncUpload control in the RadControls in Telerik UI for ASP.NET AJAX…

All CVEs affecting Progress Telerik Ui For Asp.net Ajax →

Other CWE-470 (Unsafe Reflection) vulnerabilities

CVE-2026-42027 — Critical (CVSS 9.8): Arbitrary Class Instantiation via Model Manifest in Apache OpenNLP ExtensionLoader Versions Affected: before…
CVE-2025-34393 — Critical (CVSS 9.8): Barracuda Service Center, as implemented in the RMM solution, in versions prior to 2025.1.1, does not correctly verify…
CVE-2025-53693 — Critical (CVSS 9.8): Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Sitecore Sitecore…
CVE-2023-6943 — Critical (CVSS 9.8): Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Mitsubishi Electric…
CVE-2021-31522 — Critical (CVSS 9.8): Kylin can receive user input and load any class through Class.forName(...). This issue affects Apache Kylin 2 version…
CVE-2019-1003041 — Critical (CVSS 9.8): A sandbox bypass vulnerability in Jenkins Pipeline: Groovy Plugin 2.64 and earlier allows attackers to invoke arbitrary…

Browse all CWE-470 (Unsafe Reflection) vulnerabilities →