Multiple vulnerabilities in Century Systems FutureNet AS series and FA series

Published: 2025-02-28

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2025-24846 CVE-2025-25280
CWE-ID	CWE-288 CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	FutureNet AS-250/S Hardware solutions / Routers & switches, VoIP, GSM, etc FutureNet AS-250/F-SC Hardware solutions / Routers & switches, VoIP, GSM, etc FutureNet AS-250/F-KO Hardware solutions / Routers & switches, VoIP, GSM, etc FutureNet AS-250/NL Hardware solutions / Routers & switches, VoIP, GSM, etc FutureNet AS-250/KL Hardware solutions / Routers & switches, VoIP, GSM, etc FutureNet AS-250/KL Rev2 Hardware solutions / Routers & switches, VoIP, GSM, etc FutureNet AS-250/L Hardware solutions / Routers & switches, VoIP, GSM, etc FutureNet AS-M250/L Hardware solutions / Routers & switches, VoIP, GSM, etc FutureNet AS-M250/KL Hardware solutions / Routers & switches, VoIP, GSM, etc FutureNet AS-M250/NL Hardware solutions / Routers & switches, VoIP, GSM, etc FutureNet AS-P250/NL Hardware solutions / Routers & switches, VoIP, GSM, etc FutureNet AS-P250/KL Hardware solutions / Routers & switches, VoIP, GSM, etc FutureNet AS-210/U4 Hardware solutions / Routers & switches, VoIP, GSM, etc FutureNet FA-210 Hardware solutions / Routers & switches, VoIP, GSM, etc FutureNet FA-215 Hardware solutions / Routers & switches, VoIP, GSM, etc
Vendor	Century Systems

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Authentication bypass using an alternate path or channel

EUVDB-ID: #VU105108

Risk: High

CVSSv4.0: 6.6 [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]

CVE-ID: CVE-2025-24846

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

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FutureNet AS-250/S: 1.14.0

FutureNet AS-250/F-SC: 1.14.0

FutureNet AS-250/F-KO: 1.14.0

FutureNet AS-250/NL: 1.14.0

FutureNet AS-250/KL: 1.14.0

FutureNet AS-250/KL Rev2: 2.6.4

FutureNet AS-250/L: 2.6.4

FutureNet AS-M250/L: 2.6.4

FutureNet AS-M250/KL: 2.6.4

FutureNet AS-M250/NL: 2.6.4

FutureNet AS-P250/NL: 2.6.4

FutureNet AS-P250/KL: 2.6.4

FutureNet AS-210/U4: 2.6.4

CPE2.3

External links

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

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Buffer overflow

EUVDB-ID: #VU105111

Risk: Medium

CVSSv4.0: 2.7 [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]

CVE-ID: CVE-2025-25280

CWE-ID: CWE-119 - Memory corruption