Vulnerability · Published Jul 9, 2025 · Assigned by VulDB

CVE-2025-7214FNKvision FNK-GU2 MD5 shadow risky encryption

Low 1.6

In plain English

A low-severity broken cryptography in FNK-GU2 from FNKvision. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).

Severity (CVSS 3.1)1.6Low

Exploit odds (30 days)0.1%top 98.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
FNKvision	FNK-GU2	40.1.040.1.140.1.240.1.340.1.440.1.540.1.640.1.7

Weakness: CWE-327, CWE-310 · Vector: 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

References

VDB-315163 | FNKvision FNK-GU2 MD5 shadow risky encryption vdb-entry
VDB-315163 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #608027 | FNKvision FNK-GU2 Wireless IP Camera Firmware version 40.1.7 and prior Use of a Broken or Risky Cryptographic Algorithm (CWE-327) third-party-advisory
https://medium.com/@pundhapat/sqli-in-the-cloud-root-on-the-board-a-beginners-journey-into-iot-hacking-06efb2539a21 exploit