CVE-2016-4573

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-09-09 · updated 2026-06-17
Weakness: CWE-264

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.

Affected products

Fortinet FortiSwitch: 3.4.1

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

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