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Fencer Intel
low 1.6

CVE-2025-7214 json

FNKvision FNK-GU2 MD5 shadow risky encryption

published last yr. modified 22d ago also EUVD-2025-20782

cvss
1.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 1%
public exploits
0
none known

Summary

A vulnerability classified as problematic was found in FNKvision FNK-GU2 up to 40.1.7. Affected by this vulnerability is an unknown functionality of the file /etc/shadow of the component MD5. The manipulation leads to risky cryptographic algorithm. It is possible to launch the attack on the physical device. The complexity of an attack is rather high. The exploitation appears 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
partial
Assessed
last yr.

Exploit prediction

0.11% chance of exploitation in the next 30 days, higher than 1% 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 1.0 CVSS:4.0/AV:P/AC:H/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
CNA 3.1 1.6 CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA 3.0 1.6 CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA 2.0 0.8 AV:L/AC:H/Au:M/C:P/I:N/A:N/E:POC/RL:ND/RC:UR
CNA 4.0 0.3 CVSS:4.0/AV:P/AC:H/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/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 1.6 CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
CNA 2.0 0.8 AV:L/AC:H/Au:M/C:P/I:N/A:N

Affected products

  • FNKvision FNK-GU2

Classification

Weakness
  • CWE-327 Use of a Broken or Risky Cryptographic Algorithm
  • CWE-310 Cryptographic Issues

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.