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High severity7.5NVD Advisory· Published Nov 11, 2026

CVE-2026-126258

CVE-2026-126258

Description

A stack-based buffer overflow vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7.6.7 may allow an unauthenticated attacker with wad port access to crash proxy or ZTNA sessions via crafted HTTP or HTTPS requests.

Affected products

2
  • Fortinet/Fortiosinferred2 versions
    <=7.6.7+ 1 more
    • (no CPE)range: <=7.6.7
    • (no CPE)range: 8.0.0, 7.6.7

Patches

Vulnerability mechanics

References

1

News mentions

0

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