VulnerabilityDeferred

CVE-2026-13742

Honeywell IQ MultiAccess, all versions prior to and including version 28, contain an improper digital signature verification vulnerability.

MEDIUM 5.9EPSS 0.11%

Does this matter?

Lower severity and a low EPSS score (0.11%). Track it; it rarely justifies an emergency change on its own.

Description

Honeywell IQ MultiAccess, all versions prior to and including version 28, contain an improper digital signature verification vulnerability. An attacker could potentially exploit this vulnerability, leading to the replacement of downloaded file with a malicious one. Honeywell also recommends updating to the most recent version of this product, service, or offering [V27 SP1, V28 SP1]

CVSS 4.0: 5.9 MEDIUMCVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.11% probability · 2th percentile
CISA KEV: Not listed
Weakness: CWE-367
Source: psirt@honeywell.com

References

https://www.honeywell.com/us/en/product-security

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.