SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityUndergoing Analysis

CVE-2026-5434

An attacker could exploit this vulnerability through probing system files, potentially resulting in unintended access to protected data.

MEDIUM 5.9EPSS 0.21%

Does this matter?

Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.

Description

Honeywell Control Network Module (CNM) contains insertion of sensitive information into an unintended directory. An attacker could exploit this vulnerability through probing system files, potentially resulting in unintended access to protected data. Honeywell recommends updating to the most recent version of this product, service or offering [200.1]. The CNM versions affected are from [100.1, 101.1, 110.1, and 110.2].

CVSS 3.1
5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
0.21% probability · 11th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-538
Source
psirt@honeywell.com
EPSS trend
0%3%5%27 October 2026: 0.21%27 October 202627 October 2026

EPSS 0.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.