Vulnerability in Hanwhavision Knb-2000

CVE-2025-52601

Cybersecurity Nozomi Networks Labs, a specialized security company focused on Industrial Control Systems (ICS) and OT/IoT security, has discovered a vulnerability in Device Manager that a hardcoded encryption key for sensitive information. An attacker can use key to decrypt sensitive information. The manufacturer has released patch firmware for the flaw, please refer to the manufacturer's report for details and workarounds.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (0.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-52601: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: -0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-52601?
CVE-2025-52601 is a high-severity vulnerability in Hanwhavision Knb-2000, classified under Use of Hard-coded Cryptographic Key. CVSS score: 7.8/10. Published 2025-12-26.
How severe is CVE-2025-52601?
High severity. CVSS v3 base score is 7.8 out of 10.