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CVE-2024-12656— FabulaTech USB over Network IOCT ftusbbus2.sys 0x220448 null pointer dereference

Quick assessment

Affected

FabulaTech USB over Network

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.

FabulaTech USB over Network是FabulaTech公司的一种软件解决方案，允许您通过 TCP/IP 网络或 Internet 访问远程 USB 设备。 FabulaTech USB over Network 6.0.6.1版本存在安全漏洞，该漏洞源于组件IOCT Handler的ftusbbus2.sys库中的函数0x220448会导致空指针取消引用。

CVSS 5.5 · Medium EPSS 0.31% · P24 Updated Jan 25, 2025

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

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I. Basic Information for CVE-2024-12656

Vulnerability Information

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Vulnerability Title

FabulaTech USB over Network IOCT ftusbbus2.sys 0x220448 null pointer dereference

Source: CVE Program / CVE List V5

Vulnerability Description

A vulnerability, which was classified as problematic, was found in FabulaTech USB over Network 6.0.6.1. This affects the function 0x220448 in the library ftusbbus2.sys of the component IOCT Handler. The manipulation leads to null pointer dereference. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

空指针解引用

Source: CVE Program / CVE List V5

Vulnerability Title

FabulaTech USB over Network 安全漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

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
FabulaTech	USB over Network	6.0.6.1	-

II. Public POCs for CVE-2024-12656

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2024-12656

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Vendor Advisories for CVE-2024-12656 (2)

Submit #456030: FabulaTech USB over Network Client 6.0.6.1 NULL Pointer Dereference third-party-advisory
CVE-2024-12656 FabulaTech USB over Network IOCT ftusbbus2.sys 0x220448 null pointer dereference vdb-entry technical-description

Security Blog Posts for CVE-2024-12656 (1)

[FabulaTech][USB over Network Client][ftusbbus2][0x220448][NPD][DOS] exploit

https://www.cve.org/CVERecord?id=CVE-2024-12656

Same Patch Batch · FabulaTech · 2024-12-16 · 4 CVEs total

CVE-2024-12655	5.5 MEDIUM	FabulaTech USB over Network IOCT ftusbbus2.sys 0x220420 null pointer dereference
CVE-2024-12654	5.5 MEDIUM	FabulaTech USB over Network IOCT ftusbbus2.sys 0x220408 null pointer dereference
CVE-2024-12653	5.5 MEDIUM	FabulaTech USB over Network IOCT ftusbbus2.sys 0x22040C null pointer dereference

IV. Related Vulnerabilities

Same product: USB over Network

Same vendor: FabulaTech

Same weakness: CWE-476