CVE-2016-7987

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-02-13 · updated 2026-06-17
Weakness: CWE-19

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.

Affected products

Siemens Eta2 Firmware: through 11.0
Siemens Eta4 Firmware: through 07

References

http://www.securityfocus.com/bid/93832
https://ics-cert.us-cert.gov/advisories/ICSA-16-299-01
http://www.securityfocus.com/bid/93832
https://ics-cert.us-cert.gov/advisories/ICSA-16-299-01

Get alerted when CVE-2016-7987 or the next vulnerability affects your stack