CVE-2025-6521: Weak Crypto (CVSS 7.6)

Description

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.

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CVSS v3.1 Score

7.6

HIGH

CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N

Weakness Type (CWE)

CWE-327 CWE-327

References

Other References

https://www.cisa.gov/news-events/ics-advisories/icsa-25-177-02 https://www.trendmakerscares.com/Customer-Service-Hours

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 7.6 (HIGH).

How severe is CVE-2025-6521? +

CVE-2025-6521 has a CVSS v3.1 score of 7.6 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-6521? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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