Vulnerability in Trendmakers Sight Bulb Pro Firmware Zj Cg32-2201

CVE-2025-6521

During the initial setup of the device the user connects to an access point broadcast by the Sight Bulb Pro. During the negotiation, AES Encryption keys are passed in cleartext. If captured, an attacker may be able to decrypt communications between the management app and the Sight Bulb Pro which may include sensitive information such as network credentials.

Vulnerability class: POODLE (CVE-2014-3566)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.4% 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-2025-6521: 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-2025-6521?
CVE-2025-6521 is a high-severity vulnerability in Trendmakers Sight Bulb Pro Firmware Zj Cg32-2201, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.6/10. Published 2025-06-27.
How severe is CVE-2025-6521?
High severity. CVSS v3 base score is 7.6 out of 10.