SB2025111261 - Multiple vulnerabilities in QNAP HBS 3 Hybrid Backup Sync

Description

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error (CVE-ID: CVE-2025-62840)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to unspecified error. A remote attacker can execute arbitrary code on the system.

2) Input validation error (CVE-ID: CVE-2025-62842)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to unspecified error. A remote attacker can execute arbitrary code on the system.

Remediation

Install update from vendor's website.

References

• https://www.qnap.com/en/security-advisory/qsa-25-46