6.5

CVE-2025-54838: fortinet fortiportal Incorrect Authorization

CVSS: 6.5v3.1MediumAnalyzed
Published 09-12-2025Last modified 14-01-2026
Open JSON

Vulnerability summary

CVE-2025-54838 is a medium (CVSS 6.5) Incorrect Authorization vulnerability in fortinet fortiportal. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 21.9% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.31%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-12-2025
    PublishedVulnerability first disclosed.
  2. 14-01-2026
    Last modifiedVulnerability information updated.

Description

An Incorrect Authorization vulnerability [CWE-863] in FortiPortal 7.4.0 through 7.4.5 may allow an authenticated attacker to reboot a shared FortiGate device via crafted HTTP requests.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.31%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

0.00 pp

From 0.31% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.31%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Fortinet1 product

1 vendor · 1 product

References

1 links