CVE-2016-2509: Belden Hirschmann Firmware

Medium severity, CVSS 5.3. EPSS: 0.8% chance of exploitation in the next 30 days.

The password-sync feature on Belden Hirschmann Classic Platform switches L2B before 05.3.07 and L2E, L2P, L3E, and L3P before 09.0.06 sets an SNMP community to the same string as the administrator password, which allows remote attackers to obtain sensitive information by sniffing the network.

Affected products

  • Belden Hirschmann Firmware: version 05.3.06 only; up to and including 09.0.05
  • Belden Hirschmann l2b

Published 2016-02-18. Last modified 2026-06-17.