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CVE-2025-34416— MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAIPO.DLL

Quick assessment

Affected
MailEnable MailEnable
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.

MailEnable是澳大利亚MailEnable公司的一个基于 Windows 的商业电子邮件服务器。 MailEnable 10.54之前版本存在代码问题漏洞，该漏洞源于不安全DLL加载，可能导致本地任意代码执行。

AI Predicted 7.8 Difficulty: Easy EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1574.001 · DLL

Affected Version Matrix 1

VendorProduct Version RangeStatus
MailEnable MailEnable < 10.54 affected
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I. Basic Information for CVE-2025-34416

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAIPO.DLL
Source: CVE Program / CVE List V5
Vulnerability Description
MailEnable versions prior to 10.54 contain an unsafe DLL loading vulnerability that can lead to local arbitrary code execution. The MailEnable administrative executable attempts to load MEAIPO.DLL from its installation directory without sufficient integrity validation or a secure search order. A local attacker with write access to that directory can plant a malicious MEAIPO.DLL, which is then loaded when the executable starts, resulting in execution of attacker-controlled code with the privileges of the process.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
MailEnable 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MailEnable是澳大利亚MailEnable公司的一个基于 Windows 的商业电子邮件服务器。 MailEnable 10.54之前版本存在代码问题漏洞，该漏洞源于不安全DLL加载，可能导致本地任意代码执行。
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
MailEnable MailEnable 0 ~ 10.54 -

II. Public POCs for CVE-2025-34416

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III. Intelligence Information for CVE-2025-34416

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Vendor Pages for CVE-2025-34416 (1)

Other References for CVE-2025-34416 (1)

Same Patch Batch · MailEnable · 2025-12-10 · 11 CVEs total

CVE-2025-34422 MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAIPC.DLL
CVE-2025-34420 MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAIAM.DLL
CVE-2025-34419 MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAISM.DLL
CVE-2025-34423 MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAIAU.DLL
CVE-2025-34421 MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAISP.DLL
CVE-2025-34417 MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAISO.DLL
CVE-2025-34424 MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAIDP.DLL
CVE-2025-34418 MailEnable < 10.54 DLL Hijacking via Unsafe Loading of MEAIMF.DLL
CVE-2025-34427 MailEnable < 10.54 Cleartext Credential Storage in AUTH.TAB
CVE-2025-34428 MailEnable < 10.54 Cleartext Credential Storage in AUTH.SAV

IV. Related Vulnerabilities

Same product: MailEnable
Same vendor: MailEnable
Same weakness: CWE-427

V. Comments for CVE-2025-34416

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