What’s Vulnerable › Vulnerabilities

CVE-2025-27594: Unencrypted transmission of password hash

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-03-14 · updated 2026-06-17
• Weakness: CWE-319

Description

The device uses an unencrypted, proprietary protocol for communication. Through this protocol, configuration data is transmitted and device authentication is performed. An attacker can thereby intercept the authentication hash and use it to log into the device using a pass-the-hash attack.

Affected products

• SICK AG SICK DL100-2xxxxxxx: all versions

References

• https://cdn.sick.com/media/docs/1/11/411/Special_information_CYBERSECURITY_BY_SICK_en_IM0084411.PDF
• https://github.security.telekom.com/2025/03/multiple-vulnerabilities-in-sick-dl100.html
• 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-2025-0004.json
• https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0004.pdf

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