CVE-2016-4573
Fortinet FortiSwitch FSW-108D-POE, FSW-124D, FSW-124D-POE, FSW-224D-POE, FSW-224D-FPOE, FSW-248D...
CVE-2016-4573 is a critical vulnerability (CVSS 9.8) in Fortinet Fortiswitch, published September 9, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.56%, the 91st percentile. No source names a fixed version.
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2016-4573- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2016-4573- Updated
- 2026-11-02
EUVDEUVD-2016-5559 No score
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.
- Record
EUVD-2016-5559- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3hqg-24jc-82m9
Fortinet FortiSwitch FSW-108D-POE, FSW-124D, FSW-124D-POE, FSW-224D-POE, FSW-224D-FPOE, FSW-248D...
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.
- Record
GHSA-3hqg-24jc-82m9- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |