CVE-2016-4573

critical

Published 2016-09-09 · Modified 2026-05-06

CVSS v3

9.8

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

CVSS v2

10.0

VIR risk

9.8

Description

Fortinet FortiSwitch FSW-108D-POE, FSW-124D, FSW-124D-POE, FSW-224D-POE, FSW-224D-FPOE, FSW-248D-POE, FSW-248D-FPOE, FSW-424D, FSW-424D-POE, FSW-424D-FPOE, FSW-448D, FSW-448D-POE, FSW-448D-FPOE, FSW-524D, FSW-524D-FPOE, FSW-548D, FSW-548D-FPOE, FSW-1024D, FSW-1048D, FSW-3032D, and FSW-R-112D-POE models, when in FortiLink managed mode and upgraded to 3.4.1, might allow remote attackers to bypass authentication and gain administrative access via an empty password for the rest_admin account.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://fortiguard.com/advisory/fortiswitch-rest-admin-account-exposed-under-specific-conditions

References

http://fortiguard.com/advisory/fortiswitch-rest-admin-account-exposed-under-specific-conditions
http://www.securityfocus.com/bid/92450
https://www.themissinglink.com.au/security/advisories/cve-2016-4573
http://fortiguard.com/advisory/fortiswitch-rest-admin-account-exposed-under-specific-conditions
http://www.securityfocus.com/bid/92450
https://www.themissinglink.com.au/security/advisories/cve-2016-4573

CWEs

CWE-264

Verify integrity in audit chain (admin only). AS-IS.