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THREATINT
PUBLISHED

CVE-2025-7213

FNKvision FNK-GU2 UART Interface on-chip debug and test interface with improper access control



Description

EN DE

A vulnerability classified as critical has been found in FNKvision FNK-GU2 up to 40.1.7. Affected is an unknown function of the component UART Interface. The manipulation leads to on-chip debug and test interface with improper access control. It is possible to launch the attack on the physical device. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used.

Es wurde eine kritische Schwachstelle in FNKvision FNK-GU2 bis 40.1.7 entdeckt. Es geht dabei um eine nicht klar definierte Funktion der Komponente UART Interface. Dank Manipulation mit unbekannten Daten kann eine on-chip debug and test interface with improper access control-Schwachstelle ausgenutzt werden. Ein Angriff setzt physischen Zugriff auf dem Zielobjekt voraus. Die Komplexität eines Angriffs ist eher hoch. Sie gilt als schwierig auszunutzen. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-07-07 | Published 2025-07-09 | Updated 2025-07-09 | Assigner VulDB


MEDIUM: 5.4CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
MEDIUM: 6.4CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
MEDIUM: 6.4CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
6.2AV:L/AC:H/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

On-Chip Debug and Test Interface With Improper Access Control

Product status

40.1.0
affected

40.1.1
affected

40.1.2
affected

40.1.3
affected

40.1.4
affected

40.1.5
affected

40.1.6
affected

40.1.7
affected

Timeline

2025-07-07:Advisory disclosed
2025-07-07:VulDB entry created
2025-07-07:VulDB entry last update

Credits

0xHasta (VulDB User) reporter

References

vuldb.com/?id.315162 (VDB-315162 | FNKvision FNK-GU2 UART Interface on-chip debug and test interface with improper access control) vdb-entry

vuldb.com/?ctiid.315162 (VDB-315162 | CTI Indicators (IOB, IOC)) signature permissions-required

vuldb.com/?submit.608025 (Submit #608025 | FNKvision FNK-GU2 Wireless IP Camera Firmware version 40.1.7 and prior On-Chip Debug and Test Interface With Improper Access Control (C) third-party-advisory

medium.com/...eginners-journey-into-iot-hacking-06efb2539a21 exploit

cve.org (CVE-2025-7213)

nvd.nist.gov (CVE-2025-7213)

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