CVE-2025-64169— Wazuh NULL pointer dereference in fim_alert line 666
Quick assessment
Affected
wazuh wazuh
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Wazuh是Wazuh开源的一个应用软件。用于收集，汇总，索引和分析安全数据，帮助组织检测入侵，威胁和行为异常。 Wazuh 3.7.0版本至4.12.0之前版本存在代码问题漏洞，该漏洞源于fim_alert函数未检查空指针，可能导致analysisd崩溃。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2025-64169
Vulnerability Information
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Vulnerability Title
Wazuh NULL pointer dereference in fim_alert line 666
Source: CVE Program / CVE List V5
Vulnerability Description
Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 3.7.0 to before 4.12.0, fim_alert() implementation does not check whether oldsum->md5 is NULL or not before dereferencing it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. This issue has been patched in version 4.12.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
未加检查的返回值
Source: CVE Program / CVE List V5
Vulnerability Title
Wazuh 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wazuh是Wazuh开源的一个应用软件。用于收集，汇总，索引和分析安全数据，帮助组织检测入侵，威胁和行为异常。 Wazuh 3.7.0版本至4.12.0之前版本存在代码问题漏洞，该漏洞源于fim_alert函数未检查空指针，可能导致analysisd崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-64169
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Same Patch Batch · wazuh · 2025-11-21 · 4 CVEs total
| CVE-2025-30201 | 7.7 HIGH | Wazuh NetNTLMv2 Hash Theft In Multiple Centralized Configuration Capabilities |
| CVE-2025-54866 | Wazuh installation fails to protected authd.pass on Windows | |
| CVE-2025-64483 | Wazuh API – Agent Configuration Has Improper Access Control in Agent Enrollment Endpoint |
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Same vendor: wazuh
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CVE-2026-71540
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Same weakness: CWE-252
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