What’s Vulnerable › Products

Honeywell C300 PCNT05 vulnerabilities

5 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 5 published in the last 12 months.

Check whether your Honeywell C300 PCNT05 version is affected

Latest Honeywell C300 PCNT05 vulnerabilities

• CVE-2025-3947 — Integer underflow during processing of short network packets in CDA FTEB responder (CVSS 8.2)
• CVE-2025-3946 — Incorrect response generation during FTEB protocol processing (CVSS 8.2)
• CVE-2025-2523 — Lack of buffer clearing before reuse may result in incorrect system behavior. (CVSS 9.4)
• CVE-2025-2522 — Lack of buffer clearing before reuse may result in incorrect system behavior. (CVSS 6.5)
• CVE-2025-2521 — Lack of indexes’ validation against buffer borders leads to remote code execution. (CVSS 8.6)