Medium [CVE-2025-48840] authentication bypass by spoofing vulnerability in Fortinet FortiWeb 7.6.0 through 7.6.3, FortiWeb 7.4.0 through 7.4.8…
This medium-severity Fortinet advisory covers CVE-2025-48840 affecting FortiWeb.
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Summary
An authentication bypass by spoofing vulnerability in Fortinet FortiWeb 7.6.0 through 7.6.3, FortiWeb 7.4.0 through 7.4.8, FortiWeb 7.2 all versions, FortiWeb 7.0 all versions may allow a remote unauthenticated attacker to bypass hostname restrictions via a specially crafted request.
- FortiWeb 7.6: 7.6.0 through 7.6.3
- FortiWeb 7.4: 7.4.0 through 7.4.8
- FortiWeb 7.2: 7.2 all versions
- FortiWeb 7.0: 7.0 all versions
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- FortiWeb 7.6: 7.6.4
- FortiWeb 7.4: 7.4.9
- FortiWeb 7.2: migrate to a fixed release
- FortiWeb 7.0: migrate to a fixed release
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Upgrade per the Affected/Solution table: FortiWeb 7.6: 7.6.4; FortiWeb 7.4: 7.4.9; FortiWeb 7.2: migrate to a fixed release; FortiWeb 7.0: migrate to a fixed release.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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