Critical severity · published Oct 27, 2025
CVE-2025-59461
A remote unauthenticated attacker may use the unauthenticated C++ API to access or modify sensitive data and disrupt services
9.8
CVSS
0.5%
EPSS
No
On KEV
Description
A remote unauthenticated attacker may use the unauthenticated C++ API to access or modify sensitive data and disrupt services.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TF
Tloc100-100 Firmware · Sick
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-59461
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-59461
Vendor Advisory
https://sick.com/psirt
US Government Resource
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
Not Applicable
https://www.first.org/cvss/calculator/3.1
Vendor Advisory
https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0013.json
Vendor Advisory
https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0013.pdf
Product
https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf
More from Tloc100-100 Firmware
7.5
CVE-2025-59463
An attacker may cause chunk-size mismatches that block file transfers and prevent subsequent transfers
7.5
CVE-2025-59462
An attacker who tampers with the C++ CLI client may crash the UpdateService during file transfers, disrupting updates and availability
7.5
CVE-2025-59460
The system is deployed in its default state, with configuration settings that do not comply with the latest best practices for restricting access
7.5
CVE-2025-59459
An attacker that gains SSH access to an unprivileged account may be able to disrupt services (including SSH), causing persistent loss of availability