{"id":"CVE-2016-7987","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-7987","generatedAt":"2026-10-28T19:45:59.448Z","title":"A cold start might be required to recover the system, a Denial-of-Service Vulnerability.","description":"An issue was discovered in Siemens ETA4 firmware (all versions prior to Revision 08) of the SM-2558 extension module for: SICAM AK, SICAM TM 1703, SICAM BC 1703, and SICAM AK 3. Specially crafted packets sent to Port 2404/TCP could cause the affected device to go into defect mode. A cold start might be required to recover the system, a Denial-of-Service Vulnerability.","published":"2017-02-13T21:59:01.000Z","lastModified":"2026-06-17T00:53:54.000Z","status":"Modified","sourceIdentifier":"ics-cert@hq.dhs.gov","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-19"],"affected":["siemens/eta4 firmware","siemens/eta2 firmware"],"epss":{"score":0.02052,"percentile":0.81155,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/93832","tags":["Third Party Advisory","VDB Entry"],"source":"ics-cert@hq.dhs.gov"},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-16-299-01","tags":["Mitigation","Third Party Advisory","US Government Resource"],"source":"ics-cert@hq.dhs.gov"},{"url":"http://www.securityfocus.com/bid/93832","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-16-299-01","tags":["Mitigation","Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-7987","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}