CVE-2018-4854

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-07-03 · updated 2026-06-17
Weakness: CWE-306

Description

A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions). An attacker with network access to port 69/udp could modify the administrative client stored on the device. If a legitimate user downloads and executes the modified client from the affected device, then he/she could obtain code execution on the client system.

Affected products

Siemens Siclock Tc100 Firmware: all versions
Siemens Siclock Tc400 Firmware: all versions

References

http://www.securityfocus.com/bid/104672
https://cert-portal.siemens.com/productcert/pdf/ssa-197012.pdf
http://www.securityfocus.com/bid/104672
https://cert-portal.siemens.com/productcert/pdf/ssa-197012.pdf

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