8.1

CVE-2025-52970: fortinet fortiweb Improper Handling of Parameters

CVSS: 8.1v3.1HighAnalyzed
Published 12-08-2025Last modified 14-01-2026
Open JSON

Vulnerability summary

CVE-2025-52970 is a high (CVSS 8.1) Improper Handling of Parameters vulnerability in fortinet fortiweb. EPSS estimates a 10.08% chance of exploitation in the next 30 days, higher than 95.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
44/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (NVD)
EPSS score
10.08%
0%100%
Medium · +0.34 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 12-08-2025
    PublishedVulnerability first disclosed.
  2. 14-01-2026
    Last modifiedVulnerability information updated.

Description

A improper handling of parameters in Fortinet FortiWeb versions 7.6.3 and below, versions 7.4.7 and below, versions 7.2.10 and below, and 7.0.10 and below may allow an unauthenticated remote attacker with non-public information pertaining to the device and targeted user to gain admin privileges on the device via a specially crafted request.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

10.08%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

+0.34 pp

From 9.75% on 19-09-2026

19-09-202619-10-2026
EPSS score
10.08%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (pwner.gg)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Fortinet1 product
  • fortiweb≥ 7.6.0, ≤ 7.6.3 | ≥ 7.4.0, ≤ 7.4.7 | ≥ 7.2.0, ≤ 7.2.10 | ≥ 7.0.0, ≤ 7.0.10 | ≥ 7.0.0, < 7.0.11 | ≥ 7.2.0, < 7.2.11 | ≥ 7.4.0, < 7.4.8 | ≥ 7.6.0, < 7.6.4

1 vendor · 1 product

References

2 links