CVE-2026-13742: Lack of signature verification before execution of downloaded content
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]
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Honeywell IQ MultiAccessto a version that resolves this vulnerability.Fixed in V27 SP1 - Upgrade
Upgrade
Honeywell IQ MultiAccessto a version that resolves this vulnerability.Fixed in V28 SP1
Event History
Frequently Asked Questions
What is the severity of CVE-2026-13742?
The severity of CVE-2026-13742 is rated at 55.
How do I fix CVE-2026-13742?
To fix CVE-2026-13742, update Honeywell IQ MultiAccess to the latest version beyond 28.
What is the impact of CVE-2026-13742?
CVE-2026-13742 allows an attacker to replace downloaded files with malicious ones due to lack of signature verification.
Which versions of Honeywell IQ MultiAccess are affected by CVE-2026-13742?
All versions of Honeywell IQ MultiAccess prior to and including version 28 are affected by CVE-2026-13742.
What type of vulnerability is CVE-2026-13742?
CVE-2026-13742 is classified as an improper digital signature verification vulnerability.