CVE Feed

    Dashboard / CVE / CVE-2026-71407

    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.

    Published:Aug 12, 2026
    Last Modified:Sep 8, 2026
    EPS:Aug 12, 2026
    EPSS Score:0.00494
    CVSS Score:5.1

    Affected Products

    Vendor
    Fortinet
    Product
    Fortios
    Vendor
    Fortinet
    Product
    Fortipam
    Vendor
    Fortinet
    Product
    Fortiproxy

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-121 Stack-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-84392 (CVSS 2.7) — A NULL Pointer Dereference vulnerability [CWE-476] vulnerability in Fortinet FortiOS 7.4 all versions, FortiOS…
    CVE-2026-84393 (CVSS 8.1) — A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6,…
    CVE-2026-70466 (CVSS 5.3) — A incomplete list of disallowed inputs vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 …
    CVE-2026-71408 (CVSS 5.3) — A allocation of resources without limits or throttling vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, …
    CVE-2026-59840 (CVSS 4.3) — A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS…
    CVE-2025-43892 (CVSS 4.3) — A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS…
    CVE-2026-23573 (CVSS 6.1) — An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79]…
    CVE-2026-59839 (CVSS 5.5) — A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet For…
    CVE-2025-62826 (CVSS 3.1) — An Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability [CWE-11…
    CVE-2025-62675 (CVSS 3.4) — An Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability [CWE-11…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High