TLOC100-100 with Firmware <7.1.1: Use of Weak Credentials
CVE-2025-59460 is a high-severity use of weak credentials vulnerability in TLOC100-100 with Firmware <7.1.1 from SICK, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. The record lists version <7.1.1 as the first without the flaw, so updating TLOC100-100 with Firmware <7.1.1 to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.43% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update TLOC100-100 with Firmware <7.1.1 to <7.1.1 or a later version.
- Update Tloc100-100 Firmware to 7.1.1 or a later version.
- Read the advisory on sick.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| SICK | TLOC100-100 with Firmware <7.1.1 | before <7.1.1 | <7.1.1 |
| Sick | Tloc100-100 Firmware | before 7.1.1 | 7.1.1 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- NoneNothing can be modified.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. Scored by CNA (sick.de).
Official description
The system is deployed in its default state, with configuration settings that do not comply with the latest best practices for restricting access. This increases the risk of unauthorised connections.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Use of Weak Credentials
The product uses weak credentials (such as a default key or hard-coded password) that can be calculated, derived, reused, or guessed by an attacker.
How developers prevent this class of flaw
- When the user changes or sets a password, check the password against a database of already compromised or breached passwords. These passwords are likely to be used in password guessing attacks.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Advisories
Third-party and government advisories
- cisa.gov/resources-tools/resources/ics-recommended-practicesUS Government Resource
Other references
Recent Use of Weak Credentials vulnerabilities
- 9.8 Critical severity
- 7.2 High severity
- 7.5 High severity
- 9.8 Critical severity
- 8.7 High severity
- 9.5 Critical severity
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