Skip to content
CVE Ledger
  • Newest CVEsPage
  • Recently added to KEVPage
  • Rising exploitation (EPSS)Page
  • Weekly digestPage
  • StatisticsPage
  • WatchlistPage
  • API docsPage
  • MCP serverPage
  • AboutPage
  • Data sourcesPage
  • Data statusPage
  • ChangelogPage
  • How it's builtPage
  • Support the projectPage

14 results

Back

CVE-2023-25178Controller design flaw - unsigned firmware

Description

Controller may be loaded with malicious firmware which could enable remote code execution. See Honeywell Security Notification for recommendations on upgrading and versioning.

Timeline

  1. ID reserved

    By Honeywell

  2. · 5 months later

    Published

  3. · 20 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2023-25178, by who scored it
Scored byCVSSScoreVector
HoneywellCNA (assigner)3.1Critical9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1Critical9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.52% · top 55% of all CVEs (13 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Affected products

  • Honeywell · C300

    • affected 501.1 – ≤ 501.6HF8
    • affected 510.1 – ≤ 510.2HF12
    • affected 511.1 – ≤ 511.5TCU3
    • affected 520.1 – ≤ 520.1TCU4
    • affected 520.2 – ≤ 520.2TCU2

  • Honeywell · C300

    • affected 510.1 – ≤ 511.5TCU3
    • affected 520.1 – ≤ 520.1TCU4
    • affected 520.2 – ≤ 520.2TCU2

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2023-25178 badge
[![CVE-2023-25178](https://cveledger.app/badge/CVE-2023-25178.svg)](https://cveledger.app/cve/CVE-2023-25178)

Record last updated .