CVE-2026-71407

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-71407
StatePUBLISHED
Assignerfortinet
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-12 13:17:25 UTC
Updated2026-08-13 05:17:26 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 5.6 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS: 0.004940000 probability, percentile 0.400860000 (date 2026-08-14)

Problem Types: CWE-121 | CWE-121 Execute unauthorized code or commands

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.6MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
3.1CNACVSS5.1MEDIUMCVSS: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 v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Fortinet FortiOS affected 7.6.1 7.6.6 semver Not specified
CNA Fortinet FortiPAM affected 1.8.0 1.8.4 semver Not specified
CNA Fortinet FortiPAM affected 1.7.0 1.7.2 semver Not specified
CNA Fortinet FortiPAM affected 1.6.0 1.6.2 semver Not specified
CNA Fortinet FortiPAM affected 1.5.0 1.5.1 semver Not specified
CNA Fortinet FortiPAM affected 1.4.0 1.4.3 semver Not specified
CNA Fortinet FortiPAM affected 1.3.0 1.3.1 semver Not specified
CNA Fortinet FortiPAM affected 1.2.0 Not specified
CNA Fortinet FortiPAM affected 1.1.0 1.1.2 semver Not specified
CNA Fortinet FortiPAM affected 1.0.0 1.0.3 semver Not specified
CNA Fortinet FortiProxy affected 7.6.0 7.6.4 semver Not specified
CNA Fortinet FortiProxy affected 7.4.0 7.4.11 semver Not specified
CNA Fortinet FortiProxy affected 7.2.0 7.2.16 semver Not specified
CNA Fortinet FortiProxy affected 7.0.0 7.0.23 semver Not specified

References

ReferenceSourceLinkTags
fortiguard.fortinet.com/psirt/FG-IR-26-161 [email protected] fortiguard.fortinet.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

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

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