Medium severity · published Jul 10, 2025
CVE-2025-35983
Improper Certificate Validation (CWE-295) in the Controller 7000 OneLink implementation could allow an unprivileged attacker to perform a limited denial of service or perform…
6.5
CVSS
0.2%
EPSS
No
On KEV
Description
Improper Certificate Validation (CWE-295) in the Controller 7000 OneLink implementation could allow an unprivileged attacker to perform a limited denial of service or perform privileged overrides during the initial configuration of the Controller, there is no risk for Controllers once they are connected.
This issue affects Controller 7000:
9.30 prior to vCR9.30.250624a (distributed in 9.30.1871 (MR1)).
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
C7
Controller 7000 · Gallagher
9.30 before vCR9.30.250624a · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-35983
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-35983
security.gallagher.com
https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2025-35983
More from Controller 7000
6.8
CVE-2023-6355
Incorrect selection of fuse values in the Controller 7000 platform allows an attacker to bypass some protection mechanisms to enable local debug
6.2
CVE-2024-22383
Missing release of resource after effective lifetime (CWE-772) in the Controller 7000 resulted in HBUS connected T-Series readers to not automatically recover after coming under…
