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CVE-2019-18226

Critical Vulnerability: CVE-2019-18226 โ€” honeywell โ€” h2w2pc1m_firmware, h2w2pc1m

Honeywell equIP series and Performance series IP cameras and recorders, A vulnerability exists in the affected products where IP cameras and recorders have a potential replay attack vulnerability as a weak authentication method is retained for compatibility with legacy products.

Friday, August 7, 2026honeywellVulnios Threat Intelligence
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Vulnerability Snapshot

CVE-2019-18226 is rated CRITICAL โ€” exploitation is trivial or already observed in the wild and impact is severe. Patch immediately, not on the next maintenance window.

Affected technology: h2w2pc1m_firmware, h2w2pc1m, h2w2per3_firmware, h2w2per3, h2w4per3_firmware, plus 5 other product variants.

Executive Summary

Honeywell equIP series and Performance series IP cameras and recorders, A vulnerability exists in the affected products where IP cameras and recorders have a potential replay attack vulnerability as a weak authentication method is retained for compatibility with legacy products.

Why It Matters

CVE-2019-18226 is rated CRITICAL severity, requiring immediate attention from security teams.

CVSS Base Score: 9.8/10

Affected Technologies

Vendors: honeywell

Products: h2w2pc1m_firmware, h2w2pc1m, h2w2per3_firmware, h2w2per3, h2w4per3_firmware, h2w4per3, h4w2per2_firmware, h4w2per2, h4w2per3_firmware, h4w2per3, h4w4per2_firmware, h4w4per2, h4w4per3_firmware, h4w4per3, h4w8pr2_firmware, h4w8pr2, hbd2per1_firmware, hbd2per1, hbw2per1_firmware, hbw2per1, hbw2per2_firmware, hbw2per2, hbw4per1_firmware, hbw4per1, hbw4per2_firmware, hbw4per2, hbw4pgr1_firmware, hbw4pgr1, hbw8pr2_firmware, hbw8pr2, hed2per3_firmware, hed2per3, hew2per2_firmware, hew2per2, hew2per3_firmware, hew2per3, hew4per2b_firmware, hew4per2b, hew4per3_firmware, hew4per3, hew4per3b_firmware, hew4per3b, hdzp252di_firmware, hdzp252di, hdzp304di_firmware, hdzp304di, hpw2p1_firmware, hpw2p1, h2w2gr1_firmware, h2w2gr1, h3w2gr1v_firmware, h3w2gr1v, h3w4gr1v_firmware, h3w4gr1v, h3w2gr1_firmware, h3w2gr1, h3w2gr2_firmware, h3w2gr2, h3w4gr1_firmware, h3w4gr1, h4l2gr1v_firmware, h4l2gr1v, h4w2gr1_firmware, h4w2gr1, h4w2gr1v_firmware, h4w2gr1v, h4w4gr1v_firmware, h4w4gr1v, h4l2gr1_firmware, h4l2gr1, h4w2gr2_firmware, h4w2gr2, h4w4gr1_firmware, h4w4gr1, h4l6gr2_firmware, h4l6gr2, hm4l8gr1_firmware, hm4l8gr1, h4d8gr1_firmware, h4d8gr1, hbl2gr1v_firmware, hbl2gr1v, hbw2gr1v_firmware, hbw2gr1v, hbw2gr3v_firmware, hbw2gr3v, hbw4gr1v_firmware, hbw4gr1v, hbl6gr2_firmware, hbl6gr2, hmbl8gr1_firmware, hmbl8gr1, hbd8gr1_firmware, hbd8gr1, hfd6gr1_firmware, hfd6gr1, hfd8gr1_firmware, hfd8gr1, hdz302liw_firmware, hdz302liw, hdz302lik_firmware, hdz302lik, hdz302de_firmware, hdz302de, hdz302d_firmware, hdz302d, hdz302din-c1_firmware, hdz302din-c1, hdz302din-s1_firmware, hdz302din-s1, hepz302w0_firmware, hepz302w0, hcl2gv_firmware, hcl2gv, hcl2g_firmware, hcl2g, hcw2g_firmware, hcw2g, hcw4g_firmware, hcw4g, hcd8g_firmware, hcd8g, hsw2g1_firmware, hsw2g1, hswb2g1_firmware, hswb2g1, hcw2gv_firmware, hcw2gv

๐Ÿ›ก๏ธWhat Defenders Should Check

  • Check if you are affected โ€” Review your asset inventory for products listed in CVE-2019-18226.
  • Apply available patches โ€” Visit vendor advisories for the latest security updates.
  • Monitor for exploitation โ€” Check your SIEM/IDS logs for related indicators.
  • Use Vulnios to continuously monitor your exposure to CVE-2019-18226 and similar vulnerabilities.

    References & Sources

    How Vulnios Detects This

    Vulnios scans for this vulnerability using Trivy and Grype for SBOM-based CVE matching and Vulnios CVE feed continuous monitoring against your asset inventory. Run a scan against your environment to see whether you are exposed; findings are linked back to the original CVE record so triage starts with the patch path already known.

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    Affected Products

    h2w2pc1m_firmwareh2w2pc1mh2w2per3_firmwareh2w2per3h2w4per3_firmwareh2w4per3h4w2per2_firmwareh4w2per2h4w2per3_firmwareh4w2per3

    Sources

    Related Threat Alerts

    Frequently Asked Questions

    What is CVE-2019-18226?

    CVE-2019-18226 is a critical-severity vulnerability tracked under the Common Vulnerabilities and Exposures program. Honeywell equIP series and Performance series IP cameras and recorders, A vulnerability exists in the affected products where IP cameras and recorders have a potential replay attack vulnerability as a

    Am I affected?

    Check whether your environment runs h2w2pc1m_firmware, h2w2pc1m, h2w2per3_firmware, h2w2per3, h2w4per3_firmware. If you operate any of those, treat yourself as in scope until you have evidence otherwise. A Vulnios scan will identify the exact assets carrying the affected version.

    How urgent is the response?

    Critical: do not wait for your normal patch cycle. Verify exposure today, apply the vendor patch immediately, and add detection rules for any post-exploit indicators.

    How do I remediate?

    Apply the vendor patch listed in the upstream advisory linked under Sources. If the patch is not yet available, follow the vendor-supplied workaround (often a config flag or feature disable) and add detections for the published exploit pattern in your SIEM. Re-scan after the patch lands to confirm the finding clears.

    Where can I track exploitation activity?

    Watch CISA's Known Exploited Vulnerabilities catalog for CVE-2019-18226. Cross-reference with public exploit databases and your own SIEM/IDS for indicator-of-compromise patterns. Vulnios tracks KEV status automatically and surfaces it on the asset findings view.

    How does Vulnios help with this?

    Vulnios continuously cross-references your asset inventory against the live CVE feed (NVD, vendor advisories, CISA KEV, and curated OSINT). When a new CVE matches your environment, you get a prioritized finding with the severity, KEV status, exploit-prediction (EPSS), and a direct path to the vendor patch. You can start a free scan from the homepage.

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