SB20260714106 - Multiple vulnerabilities in FortiOS and FortiProxy
Published: July 14, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Buffer over-read (CVE-ID: CVE-2026-59840)
CWE-ID: CWE-126 - Buffer over-read
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote authenticated user to gain access to sensitive information.
The vulnerability exists due to buffer over-read in authd and wad daemon. An authenticated remote attacker can return a portion of device memory in the redirect response via submitting a specially crafted request.
2) Buffer over-read (CVE-ID: CVE-2025-43892)
CWE-ID: CWE-126 - Buffer over-read
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote authenticated user to gain access to sensitive information.
The vulnerability exists due to buffer over-read in authd and wad daemon. An authenticated remote attacker can return a portion of device memory in the redirect response via submitting a specially crafted request.
Remediation
Install update from vendor's website.