CVE-2026-71407 PUBLISHED

Assigner: fortinet
Reserved: 06.08.2026 Published: 12.08.2026 Updated: 12.08.2026

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.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CVSS Score: 5.1

Product Status

Vendor Fortinet
Product FortiOS
Versions Default: unaffected
  • affected from 7.6.1 to 7.6.6 (incl.)
Vendor Fortinet
Product FortiPAM
Versions Default: unaffected
  • affected from 1.8.0 to 1.8.4 (incl.)
  • affected from 1.7.0 to 1.7.2 (incl.)
  • affected from 1.6.0 to 1.6.2 (incl.)
  • affected from 1.5.0 to 1.5.1 (incl.)
  • affected from 1.4.0 to 1.4.3 (incl.)
  • affected from 1.3.0 to 1.3.1 (incl.)
  • Version 1.2.0 is affected
  • affected from 1.1.0 to 1.1.2 (incl.)
  • affected from 1.0.0 to 1.0.3 (incl.)
Vendor Fortinet
Product FortiProxy
Versions Default: unaffected
  • affected from 7.6.0 to 7.6.4 (incl.)
  • affected from 7.4.0 to 7.4.11 (incl.)
  • affected from 7.2.0 to 7.2.16 (incl.)
  • affected from 7.0.0 to 7.0.23 (incl.)

Solutions

Upgrade to FortiOS version 8.0.0 or above Upgrade to FortiOS version 7.6.7 or above

References

Problem Types

  • Execute unauthorized code or commands CWE