CVE-2025-6521
TrendMakers Sight Bulb Pro Use of a Broken or Risky Cryptographic Algorithm
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
TrendMakers Sight Bulb Pro Use of a Broken or Risky Cryptographic Algorithm
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.
- Record
CVE-2025-6521- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N - CVSS 3.1
- 7.6 High
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N - Weakness
- CWE-327
- Updated
- 2026-11-02
EUVDEUVD-2025-28746
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.
- Record
EUVD-2025-28746- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-59p9-f7jg-cpj5
During the initial setup of the device the user connects to an access point broadcast by the...
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.
- Record
GHSA-59p9-f7jg-cpj5- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/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 - CVSS 3.1
- 7.6 High
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N - Weakness
- CWE-327
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-6521- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/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 - CVSS 3.1
- 7.6 High
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N - Weakness
- CWE-327
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-6521 is a medium vulnerability (CVSS 6.8) in Trendmakers Sight Bulb Pro Firmware Zj Cg32-2201, published June 27, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.09%, the 0th percentile. No source names a fixed version.