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CVE-2025-62786— Wazuh Vulnerable to Heap-based Buffer Out-Of-Bounds WRITE in decode_win_permissions

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存在安全漏洞，该漏洞源于decode_win_permissions中存在基于堆的越界写入，可能导致远程代码执行。

AI Predicted 9.8 Difficulty: Easy EPSS 0.73% · P53

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-62786

Vulnerability Information
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Vulnerability Title
Wazuh Vulnerable to Heap-based Buffer Out-Of-Bounds WRITE in decode_win_permissions
Source: CVE Program / CVE List V5
Vulnerability Description
Wazuh is a free and open source platform used for threat prevention, detection, and response. A heap-based out-of-bounds WRITE occurs in decode_win_permissions, resulting in writing a NULL byte 2 bytes before the start of the buffer allocated to decoded_it. A compromised agent can potentially leverage this issue to perform remote code execution, by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can leverage this issue to potentially achieve remote code execution on the wazuh manager (the exploitability of this vulnerability depends on the specifics of the respective heap allocator). This vulnerability is fixed in 4.10.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区下溢
Source: CVE Program / CVE List V5
Vulnerability Title
Wazuh 安全漏洞
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存在安全漏洞，该漏洞源于decode_win_permissions中存在基于堆的越界写入，可能导致远程代码执行。
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

Vendor Product Affected Versions CPE Subscribe
wazuh wazuh < 4.10.2 -

II. Public POCs for CVE-2025-62786

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III. Intelligence Information for CVE-2025-62786

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Patches & Fixes for CVE-2025-62786 (1)

Vendor Advisories for CVE-2025-62786 (1)

Same Patch Batch · wazuh · 2025-10-29 · 8 CVEs total

CVE-2025-62785 Wazuh fillData NULL pointer dereference causes analysisd crash
CVE-2025-62787 Wazuh Vulnerable to Heap-based Buffer Over-read in DecodeWinevt
CVE-2025-62788 Wazuh Vulnerable to Heap Use After Free in w_copy_event_for_log
CVE-2025-62790 Wazuh vulnerable to NULL pointer dereference in fim_fetch_attributes_state
CVE-2025-62789 Wazuh vulnerable to NULL pointer dereference in fim_alert line 712
CVE-2025-62792 Wazuh vulnerable to Heap-based Buffer Over-read in w_expression_match
CVE-2025-62791 Wazuh vulnerable to NULL pointer dereference in DecodeCiscat

IV. Related Vulnerabilities

Same product: wazuh
Same vendor: wazuh
Same weakness: CWE-124

V. Comments for CVE-2025-62786

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