Is there a public exploit for CVE-2026-71407?

No public exploit for CVE-2026-71407 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-71407?

CVE-2026-71407 scores CVSS 5.1 (v3.1), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.51%.

What does CVE-2026-71407 affect?

CVE-2026-71407 affects Fortinet FortiOS.

5.1 Medium

A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6 may allow an unauthenticated…

CVE-2026-71407

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.

Assessment

CVSS: 5.1 (v3.1)
Severity: Medium
EPSS: 0.51% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 12 August 2026
Last updated: 10 November 2026
Affected: Fortinet · FortiOS
Assigner: fortinet

CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

At the source

EUVD (ENISA)

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-161

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