CVE-2025-57823: fortinet fortiauthenticator Forced Browsing
Vulnerability summary
CVE-2025-57823 is a low (CVSS 2.7) Forced Browsing vulnerability in fortinet fortiauthenticator. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.1% of scored vulnerabilities.
Timeline
- 09-12-2025PublishedVulnerability first disclosed.
- 14-01-2026Last modifiedVulnerability information updated.
Description
A direct request ('forced browsing') vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow an authenticated attacker with at least sponsor permissions to read and download device logs via accessing specific endpoints
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA2.6LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:U/RC:CDiffers
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
0.00 pp
From 0.23% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Fortinet1 product
- fortiauthenticator≥ 6.6.0, ≤ 6.6.6 | ≥ 6.5.0, ≤ 6.5.6 | ≥ 6.4.0, ≤ 6.4.10 | ≥ 6.3.0, ≤ 6.3.4 | ≥ 6.3.0, ≤ 6.6.6
1 vendor · 1 product
References
1 links- fortiguard.fortinet.com/psirt/FG-IR-25-554Vendor Advisory