CVE-2020-27541: Company Cs-c2shw Firmware

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Denial of Service vulnerability in Rostelecom CS-C2SHW 5.0.082.1. AgentGreen service has a bug in parsing broadcast discovery UDP packet. Sending a packet of too small size will lead to an attempt of allocating buffer of negative size. As the result service AgentGreen will be terminated and started again later.

Affected products

• Company Cs-c2shw Firmware: version 5.0.082.1 only

Published 2021-01-26. Last modified 2026-06-17.