CVE-2026-71407A 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 a…
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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.
- CVSS
- 5.1 MEDIUM (v3.1, CNA)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
- Weakness (CWE)
- CWE-121
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- fortinet
- NVD analysis
- Modified
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Fortinet FortiOS fortinet:fortios | from 7.6.1 through 7.6.6 | CNA record |
Fortinet FortiPAM fortinet:fortipam | from 1.8.0 through 1.8.4; from 1.7.0 through 1.7.2; from 1.6.0 through 1.6.2; from 1.5.0 through 1.5.1; from 1.4.0 through 1.4.3; from 1.3.0 through 1.3.1; 1.2.0; from 1.1.0 through 1.1.2; and 1 more ranges | CNA record |
Fortinet FortiProxy fortinet:fortiproxy | from 7.6.0 through 7.6.4; from 7.4.0 through 7.4.11; from 7.2.0 through 7.2.16; from 7.0.0 through 7.0.23 | CNA record |
Siemens RUGGEDCOM APE1808 siemens:ruggedcom_ape1808 (from the name) | all versions | CISA ADP |
fortinet fortios fortinet:fortios | from 7.6.1 before 7.6.7 | NVD |
References
- https://fortiguard.fortinet.com/psirt/FG-IR-26-161vendor-advisory
- https://cert-portal.siemens.com/productcert/html/ssa-127084.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.