CVE-2024-12656: A vulnerability, which was classified as problematic, was found in FabulaTech USB over Network 6.0.6.1

Routine

MEDIUM 5.5DOWNGRADE

CVE-2024-12656 is a medium-severity flaw (CVSS 5.5) affecting usb over network. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-404, CWE-476
Published	2024-12-16
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: fabulatech

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-12-16 17:15 UTCPublished CVE record published
2026-06-17 07:00 UTCUpdated Record last modified

fabulatech usb over network DOWNGRADE

Affected: 6.0.6.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0.6.1

1. Check installed version

apt-cache policy usb-over-network || rpm -q usb-over-network || usb-over-network --version

2. No fixed release: DOWNGRADE to a release before 6.0.6.1 (Debian / Ubuntu)

apt-cache madison usb-over-network sudo apt install usb-over-network=<VERSION_BEFORE_6.0.6.1> sudo apt-mark hold usb-over-network

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list usb-over-network sudo dnf downgrade usb-over-network-<VERSION_BEFORE_6.0.6.1> sudo dnf versionlock add usb-over-network

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-12656?

usb over network: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-12656 being exploited?

CVE-2024-12656 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-12656 affect?

CVE-2024-12656 affects usb over network. Severity is medium (CVSS 5.5). 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 de

How urgent is CVE-2024-12656?

Priority 30/100. Public exploit reference

Related CVEs

CVE-2024-12655 MEDIUM 5.5 DOWNGRADE A vulnerability, which was classified as problematic, has been found in FabulaTech USB over Network 6.0.6.1
CVE-2024-12654 MEDIUM 5.5 DOWNGRADE A vulnerability classified as problematic was found in FabulaTech USB over Network 6.0.6.1
CVE-2024-12653 MEDIUM 5.5 DOWNGRADE A vulnerability classified as problematic has been found in FabulaTech USB over Network 6.0.6.1

References

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