CVE-2026-25815CWE-1394

Fortinet FortiOS through 7.6.6 allows attackers to decrypt LDAP credentials stored in device configuration files, as exploited in the wild from 2025-12-16…

Low · published February 5, 2026

CVSS v3.1
3.2
EPSS
0%
Percentile
0.8
In the wild
Unconfirmed
What it is

Fortinet FortiOS through 7.6.6 allows attackers to decrypt LDAP credentials stored in device configuration files, as exploited in the wild from 2025-12-16 through 2026 (by default, the encryption key is the same across all customers' installations). NOTE: the Supplier's position is that the instance of CWE-1394 is not a vulnerability because customers "are supposed to enable" a non-default option that eliminates the weakness. However, that non-default option can disrupt functionality as shown in the "Managing FortiGates with private data encryption" document, and is therefore intentionally not a default option.

The record
Technical detail
CVSS v3.1
3.2 · LOW
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00100 · 0.8th percentile
Weakness
CWE-1394 · Use of Default Cryptographic Key
Published
2026-02-05T21:14Z
EPSS history
Timeline
  • 05 FEB 21:14Z
    Fortinet FortiOS through 7.6.6 allows attackers to decrypt LDAP credentials stored in device configuration files, as exploited in the wild from 2025-12-16…
    cvelistv5