MEDIUM
CVE-2025-48840
CWE-290Published: March 10, 2026· Updated: Mar 12, 2026
5.3
CVSS v3.1
EPSS:0.06%probability of exploitation in 30 daysPercentile:18.3th
Official Description
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.
Technical Analysis
CVE-2025-48840 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected Vendors & Products
Fortinet1 product
fortiweb
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (1)
→
https://fortiguard.fortinet.com/psirt/FG-IR-26-097Vendor Advisory
Quick Facts
CVE IDCVE-2025-48840
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-290
CISA KEVNo
EPSS (30d)0.06%
Affected1 vendor
PublishedMar 10, 2026
Related CVEs (CWE-290)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-48840 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.