Other security products
CVE-2025-46776: Classic buffer overflow in FortiExtender
A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiExtender 7.6.0 through 7.6.1, FortiExtender 7.4.0 through 7.4.6, FortiExtender 7.2 all versions, FortiExtender 7.0 all versions may allow an authenticated user to execute arbitrary code or commands via crafted CLI commands.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| FortiExtender 7.6.0 to 7.6.1 | 7.6.3 or later |
| FortiExtender 7.4.0 to 7.4.6 | 7.4.8 or later |
| FortiExtender 7.2.0 to 7.2.5 | Upgrade past 7.2.5; see the advisory |
| FortiExtender 7.0.0 to 7.0.5 | Upgrade past 7.0.5; see the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiExtender 7.6.0 through 7.6.1, FortiExtender 7.4.0 through 7.4.6, FortiExtender 7.2 all versions, FortiExtender 7.0 all versions may allow an authenticated user to execute arbitrary code or commands via crafted CLI commands.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.