No exploitation reported

CVE-2019-18226

Q: Is CVE-2019-18226 actively exploited?

Active exploitation of CVE-2019-18226 has not been confirmed. Its EPSS score was 1.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2019-18226?

CVE-2019-18226 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2019-10-31
WeaknessCWE-294

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2019-10-3122:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-18226?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-18226?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Honeywell h2w2gr1 firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Honeywell h2w2pc1m firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Honeywell h2w2per3 firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

61 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-19-304-04 CISA170 known affected
Honeywell equIP and Performance Series IP Cameras and Recorders
H2W2GR1: <1.000.0000.19.20190819 · H3W2GR1: <1.000.HW00.21.20190812 · H3W2GR1V: <1.000.0000.19.20190819 · +167 more

Full record on NVD

Fix

Mitigation from the vendor CISA ICSA-19-304-04 · 172 productsHoneywell has released firmware update packages for all affected products listed above. The package can be downloaded from:
Mitigation from the vendor CISA ICSA-19-304-04 · 172 productsUpdate firmware of vulnerable devices per this security notification
Mitigation from the vendor CISA ICSA-19-304-04 · 172 productsIsolate their system from the Internet or create additional layers of defense to their system from the Internet by placing the affected hardware behind a firewall or into a DMZ
Mitigation from the vendor CISA ICSA-19-304-04 · 172 productsIf remote connections to the network are required, consider using a VPN or other means to ensure secure remote connections into the network where the device is located.
Mitigation from the vendor CISA ICSA-19-304-04 · 172 productsMore information on this issue can be found in Honeywell Security Notification SN 2019-09-13 02

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
CNAweakness (CWE)CWE-294read 2026-10-23
NVDweakness (CWE)CWE-294read 2026-10-23
FIRST EPSSEPSS score1.4 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2019-10-31
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-18226?

Is CVE-2019-18226 actively exploited?

Active exploitation of CVE-2019-18226 has not been confirmed. Its EPSS score was 1.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-18226?

CVE-2019-18226 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this product CISA KEV additions, October 2026 Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
Running this software? Vulnerability monitoring alerts you to new vulnerabilities in your products.

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database