info: name: Güralp Systems FMUS Series Seismic Monitoring Devices - Missing Authentication for Critical Function severity: critical author: darses description: | The affected products expose an unauthenticated Telnet-based command line interface that could allow an attacker to modify hardware configurations, manipulate data, or factory reset the device. impact: | Successful exploitation of this vulnerability could allow an attacker to modify hardware configurations, manipulate data, or factory reset the device. remediation: | Update to the latest firmware version or apply vendor recommended patches to secure Telnet access. classification: cwe-id: CWE-306 cve-id: CVE-2025-8286 cvss-metrics:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" cvss-score:9.8 metadata: vendor: guralp_systems product: guralp_fmus_series_seismic_monitoring_devices shodan-query: - '"Welcome to ""list of available commands" port:4244' fofa-query: - '"Welcome to "&&"list of available commands"&& port="4244"' reference: - https://www.cisa.gov/news-events/ics-advisories/icsa-25-212-01 - https://www.cve.org/CVERecord?id=CVE-2025-8286 tags: ics,cve,cve2025,tcp,telnet
tcp: -host: -"{{Hostname}}"
port:4244
inputs: -data:"\n" read:128 name: banner
-data:"system info\n" read:256 name: system_info
matchers-condition: and matchers: -type: word part: banner words: -"Welcome to " - 'type "help" for a list of available commands' condition: and
-type: word part: system_info words: -"Host Name: " -"Firmware Version: " condition: and