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5.9 Medium

CVE-2026-24640 A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb…

Description

A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4 all versions, FortiWeb 7.2 all versions, FortiWeb 7.0.2 through 7.0.12 may allow a remote authenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands via crafted HTTP requests.

Affected products and versions

Product Affected versions Fixed in
FortiWeb 8.0 8.0.0 → 8.0.2 No fix stated
FortiWeb 7.6 7.6.0 → 7.6.6 No fix stated
FortiWeb 7.4 7.4.0 → 7.4.12 No fix stated
FortiWeb 7.2 7.2.0 → 7.2.12 No fix stated
FortiWeb 7.0 7.0.2 → 7.0.12 No fix stated

References

Timeline

  1. Published
  2. Last modified

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The 74 CVEs of FortiWeb →
CVE-2026-26035 An Improper Authentication vulnerability [CWE-287] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb… 8.8 High CVE-2026-70466 A incomplete list of disallowed inputs vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through… 4.8 Medium CVE-2026-40688 An out-of-bounds write vulnerability [CWE-787] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0… 6.7 Medium CVE-2026-39811 A integer overflow or wraparound vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 through 7.6.6,… 4.4 Medium
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