What’s Vulnerable › Vulnerabilities

CVE-2025-59463: Denial-of-service (DoS) via chunk size mismatch

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-27 · updated 2026-10-08
• Weakness: CWE-833

Description

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

Affected products

• SICK AG TLOC100-100 all Firmware versions: all versions

References

• https://sick.com/psirt
• https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
• https://www.first.org/cvss/calculator/3.1
• https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0013.json
• https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0013.pdf
• https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf

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