CVE-2016-2509

5.3 MEDIUM 0.8% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. High risk of data exposure.
Exploit odds: 0.8% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2016-02-18 22:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 00:44 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.8% in the next 30 days (EPSS).
Severity: 5.3 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2016-02-18 22:59 UTC
Last modified: 2026-06-17 00:44 UTC
Exploit probability: 0.8% · EPSS, next 30 days
Weakness: CWE-200 · Information exposure
Record status: Modified

Affected

Belden Hirschmann Firmware 05.3.06
Belden Hirschmann l2b
Belden Hirschmann Firmware ≤ 09.0.05

Attack profile CVSS 3.0 · 5.3

Attack vector: Adjacent network
Complexity: High
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

Raw vector

CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record