Signature update version 157

Last published : Sep 24, 2026
New signatures rules are generated for the vulnerabilities identified in the week 2025-07-25. You can download and configure these signature rules to protect your appliance from security vulnerable attacks.
Related information

Signature version

Signature version 157 applicable for Citrix ADC 12.1, Citrix ADC 13.0, NetScaler 13.1, NetScaler 14.1 platforms.
Note
Enabling Post body and Response body signature rules might affect NetScaler® CPU.

Common Vulnerability Entry (CVE) insight

Following is a list of signature rules, CVE IDs, and its description.
Signature rule CVE ID Description
998255 CVE-2025-49706, CVE-2025-53771 WEB-MISC Microsoft SharePoint Server - Authentication Bypass Vulnerability (CVE-2025-49706, CVE-2025-53771)
998256 CVE-2025-52488 WEB-MISC DNN DotNetNuke Prior to 10.0.1 - NTLM Hashes Disclosure Vulnerability via Browser (CVE-2025-52488)
998257 CVE-2025-52488 WEB-MISC DNN DotNetNuke Prior to 10.0.1 - NTLM Hashes Disclosure Vulnerability via FileUploader (CVE-2025-52488)
998258 CVE-2025-49704, CVE-2025-53770 WEB-MISC Microsoft SharePoint Server - Deserialization of Untrusted Data Vulnerability (CVE-2025-49704, CVE-2025-53770)