CVE-2026-22627
A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiSwitchAXFixed 1.0.0 through 1.0.1 may allow an unauthenticated attacker within the same adjacent
Severity
High 7.7
CVSS 3.1
Exploited
Not listed
EPSS
0.003
21.4th percentile
Discovered by
Vendor
Vendor advisory field
Published
Mar 10, 2026
Assigned by fortinet
Description
A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiSwitchAXFixed 1.0.0 through 1.0.1 may allow an unauthenticated attacker within the same adjacent network to execute unauthorized code or commands on the device via sending a crafted LLDP packet.
Weakness: CWE-120
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Fortinet | FortiSwitch | Routing & Switching | cna-assigner |
Vendor-reported products (1)
- Fortinet · FortiSwitchAXFixed
Credit
Internally discovered and reported by Yonghui Han of Fortinet Product Security team.
Vendor remediation
Upgrade to FortiSwitchAX-Chassis version 1.0.0 or above Upgrade to FortiSwitchAXFixed version 1.0.2 or above