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CVE-2025-54309

Quick assessment

Affected
CrushFTP CrushFTP
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

CrushFTP是CrushFTP公司的一款文件传输服务器。 CrushFTP 10.8.5之前版本和11.3.4_23之前版本存在安全漏洞，该漏洞源于AS2验证处理不当，可能导致远程攻击者获取管理员权限。

CVSS 9.0 · Critical KEV EPSS 94.91% · P100
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I. Basic Information for CVE-2025-54309

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
CrushFTP 10 before 10.8.5 and 11 before 11.3.4_23, when the DMZ proxy feature is not used, mishandles AS2 validation and consequently allows remote attackers to obtain admin access via HTTPS, as exploited in the wild in July 2025.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未保护的候选通道
Source: CVE Program / CVE List V5
Vulnerability Title
CrushFTP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CrushFTP是CrushFTP公司的一款文件传输服务器。 CrushFTP 10.8.5之前版本和11.3.4_23之前版本存在安全漏洞，该漏洞源于AS2验证处理不当，可能导致远程攻击者获取管理员权限。
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)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
CrushFTP CrushFTP 10 ~ 10.8.5 -

II. Public POCs for CVE-2025-54309

# POC Description Source Link Shenlong Link
1 CrushFTP Unauthenticated Remote Command Execution Exploit https://github.com/issamjr/CVE-2025-54309-EXPLOIT POC Details
2 CrushFTP 10 before 10.8.5 and 11 before 11.3.4_23, when the DMZ proxy feature is not used, mishandles AS2 validation and consequently allows remote attackers to obtain admin access via HTTPS, as exploited in the wild in July 2025. https://github.com/projectdiscovery/nuclei-templates/blob/main/code/cves/2025/CVE-2025-54309.yaml POC Details
3 None https://github.com/watchtowrlabs/watchTowr-vs-CrushFTP-Authentication-Bypass-CVE-2025-54309 POC Details
4 CrushFTP AS2 Authentication Bypass https://github.com/blueisbeautiful/CVE-2025-54309 POC Details
5 None https://github.com/whisperer1290/CVE-2025-54309__Enhanced_exploit POC Details
6 None https://github.com/chin-tech/CrushFTP_CVE-2025-54309 POC Details
7 CrushFTP AS2 Authentication Bypass https://github.com/brokendreamsclub/CVE-2025-54309 POC Details
8 Exploitation scripts for the CrushFTP CVE-2025-54309: vulnerability https://github.com/foregenix/CVE-2025-54309 POC Details
9 Findings & july race with 0day in wild https://github.com/Smileyface101/CrushFTP-AS2-Bypass-Research-CVE-2025-54309 POC Details
10 None https://github.com/0xLittleSpidy/CVE-2025-54309 POC Details
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III. Intelligence Information for CVE-2025-54309

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IV. Related Vulnerabilities

Same product: CrushFTP
Same vendor: CrushFTP
Same weakness: CWE-420

V. Comments for CVE-2025-54309

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