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Fencer Intel
medium 6.4

CVE-2025-7213 json

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

published last yr. modified 4mo ago also EUVD-2025-20772

cvss
6.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits
0
none known

Summary

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.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • medium.com https://medium.com/@pundhapat/sqli-in-the-cloud-root-on-the-board-a-beginners-journey-into-iot-hacking-06efb2539a21 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 5.4 CVSS: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
CNA 3.1 6.4 CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CNA 3.0 6.4 CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CNA 2.0 6.2 AV:L/AC:H/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
CNA 4.0 4.5 CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 3.1 6.4 CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 2.0 6.2 AV:L/AC:H/Au:N/C:C/I:C/A:C

Affected products

  • FNKvision FNK-GU2

Classification

Weakness
  • CWE-1191 On-Chip Debug and Test Interface With Improper Access Control

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.