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Vulnerability record · CVE-2025-59463 · published 27 October 2025

CVE-2025-59463: Sick tloc100-100 firmware vulnerability

Sick · Tloc100 100 Firmware

An attacker may cause chunk-size mismatches that block file transfers and prevent subsequent transfers.

7.5 CVSS 3.1 High EPSS 0.38% · top 70.4% CWE-833 · CWE-833
7.5CVSS 3.1 base score
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

An attacker may cause chunk-size mismatches that block file transfers and prevent subsequent transfers.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://sick.com/psirt Vendor Advisory
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices US Government Resource
https://www.first.org/cvss/calculator/3.1 Not Applicable
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 Vendor Advisory
https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im010671 Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-59461Sick tloc100-100 firmware missing authorization vulnerabilityA remote unauthenticated attacker may use the unauthenticated C++ API to access or modify sensitive data and disrupt services.EPSS 0.46%7.5CVE-2025-59462Sick tloc100-100 firmware vulnerabilityAn attacker who tampers with the C++ CLI client may crash the UpdateService during file transfers, disrupting updates and availability.EPSS 0.51%7.5CVE-2025-59459Sick tloc100-100 firmware allocation without limits vulnerabilityAn attacker that gains SSH access to an unprivileged account may be able to disrupt services (including SSH), causing persistent loss of availability.EPSS 0.32%7.5CVE-2025-59460Sick tloc100-100 firmware vulnerabilityThe system is deployed in its default state, with configuration settings that do not comply with the latest best practices for restricting access. Th…EPSS 0.40%

Source: NIST National Vulnerability Database (record CVE-2025-59463), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.