Advisoriesby IbisFortinetCVE-2026-71407
Fortinet FortiOS: stack buffer overflow
No fix yet
A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6 may allow an unauthenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands in the context of the WAD daemon via crafted sockets, only if the explicit proxy is configured with Kerberos authentication and SOCKS enabled.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| FortiOS Product | >= 7.6.1, <= 7.6.6 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-121