PT-2026-22326 · Frick Controls · Quantum Hd

Noam Moshe · Published 2026-02-27 · Updated 2026-03-16 · CVE-2026-21660

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Frick Controls Quantum HD versions prior to 10.22

Description A security issue exists in Frick Controls Quantum HD where email credentials are hardcoded and saved in plaintext within the firmware. This can lead to unauthorized access, exposure of sensitive information, and potential compromise of the system.

Recommendations Update to a version newer than 10.22. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Insufficiently Protected Credentials

Weakness Enumeration

CWE-256

CWE-522

Related Identifiers

CVE-2026-21660

Affected Products

Quantum Hd

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2026-21660 · Security Note
• https://johnsoncontrols.com/trust-center/cybersecurity/security-advisories · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-21660 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/2027392793224560709 · Twitter Post
• https://twitter.com/TheHackerWire/status/2028546090929471931 · Twitter Post
• https://twitter.com/CVEnew/status/2027380164653379980 · Twitter Post
• https://twitter.com/PurpleOps_io/status/2033454429622411765 · Twitter Post
• https://cisa.gov/news-events/ics-advisories/icsa-26-057-01 · Note
• https://twitter.com/cracbot/status/2029150017425187320 · Twitter Post
• https://t.me/CVEtracker/45971 · Telegram Post