SB2025022806 - Multiple vulnerabilities in Century Systems FutureNet AS series and FA series

Description

This security bulletin contains information about 2 vulnerabilities.

1) Authentication bypass using an alternate path or channel (CVE-ID: CVE-2025-24846)

CWE-ID: CWE-288 - Authentication Bypass Using an Alternate Path or Channel

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

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the authentication bypass using an alternate path or channel. A remote attacker can send a specially crafted request and obtain the device information such as MAC address.

2) Buffer overflow (CVE-ID: CVE-2025-25280)

CWE-ID: CWE-119 - Memory corruption

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

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.

Remediation

Install update from vendor's website.

References

• https://jvn.jp/en/vu/JVNVU96398949/index.html
• https://www.centurysys.co.jp/backnumber/common/jvnvu96398949.html