7.5

CVE-2025-25253: fortinet fortios

CVSS: 7.5v3.1HighModified
Published 14-10-2025Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2025-25253 is a high (CVSS 7.5) vulnerability in fortinet fortios. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.11%
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. 14-10-2025
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

An Improper Validation of Certificate with Host Mismatch vulnerability [CWE-297] in FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions and FortiOS version 7.6.2 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions ZTNA proxy may allow an unauthenticated attacker in a man-in-the middle position to intercept and tamper with connections to the ZTNA proxy

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.11%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

0.00 pp

From 0.11% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.11%

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

Fortinet3 products
  • fortios≥ 7.6.0, ≤ 7.6.2 | ≥ 7.4.0, ≤ 7.4.8 | ≥ 7.2.0, ≤ 7.2.12 | ≥ 7.0.0, ≤ 7.0.18 | ≥ 7.0.0, < 7.4.9 | ≥ 7.6.0, < 7.6.3
  • fortipam1.4.1
  • fortiproxy≥ 7.6.0, ≤ 7.6.1 | ≥ 7.4.0, ≤ 7.4.8 | ≥ 7.2.0, ≤ 7.2.15 | ≥ 7.0.0, ≤ 7.0.22 | ≥ 7.0.0, < 7.4.9 | ≥ 7.6.0, < 7.6.2

1 vendor · 3 products

References

2 links