CVE-2025-7214: FNKvision FNK-GU2 · Risky Cryptographic Algorithm
Affects FNKvision FNK-GU2Source CVE Database V5
Not known to be exploited · CVSS 1.0 Low.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 1% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
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:PExploitation evidence
Disclosed: evidence found.
CVE published 9 Jul 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| FNKvision FNK-GU2 | Affected
| Fixed in– |
AI-suggested
To mitigate this vulnerability, European organizations should: 1) Physically secure FNKvision FNK-GU2 devices to prevent unauthorized physical access, including locked enclosures and surveillance. 2) Upgrade the FNK-GU2 firmware to a version beyond 40.1.7 once a patch addressing the cryptographic weakness is released by FNKvision. In the absence of an official patch, consider disabling or restricting access to the vulnerable functionality if possible. 3) Implement strong access controls and monitoring on devices to detect any unauthorized attempts to access or manipulate the /etc/shadow file. 4) Conduct regular audits of device configurations and cryptographic settings to ensure deprecated algorithms like MD5 are phased out. 5) Educate staff on the risks of physical device tampering and enforce strict policies for device handling. 6) Where feasible, replace devices relying on weak cryptographic algorithms with more secure alternatives that use modern hashing functions such as SHA-256 or bcrypt for password storage.
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.