Century Systems FutureNet FA-215 buffer overflow

Summaryinfo

A vulnerability classified as critical has been found in Century Systems FutureNet AS-250 S, FutureNet AS-250 F-SC, FutureNet AS-250 F-KO, FutureNet AS-250 NL, FutureNet AS-250 KL, FutureNet AS-250 KL Rev2, FutureNet AS-250 L, FutureNet AS-M250 L, FutureNet AS-M250 KL, FutureNet AS-M250 NL, FutureNet AS-P250 NL, FutureNet AS-P250 KL, FutureNet AS-210 U4, FutureNet FA-210 and FutureNet FA-215. This affects an unknown function. Performing a manipulation results in buffer overflow. This vulnerability is known as CVE-2025-25280. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Century Systems FutureNet AS-250 S, FutureNet AS-250 F-SC, FutureNet AS-250 F-KO, FutureNet AS-250 NL, FutureNet AS-250 KL, FutureNet AS-250 KL Rev2, FutureNet AS-250 L, FutureNet AS-M250 L, FutureNet AS-M250 KL, FutureNet AS-M250 NL, FutureNet AS-P250 NL, FutureNet AS-P250 KL, FutureNet AS-210 U4, FutureNet FA-210 and FutureNet FA-215. It has been classified as critical. This affects some unknown processing. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow vulnerability exists in FutureNet AS series (Industrial Routers) and FA series (Protocol Conversion Machine) provided by Century Systems Co., Ltd. If this vulnerability is exploited, a remote unauthenticated attacker may reboot the device by sending a specially crafted request.

The advisory is shared at centurysys.co.jp. This vulnerability is uniquely identified as CVE-2025-25280 since 02/17/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/03/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Century Systems

Name

• FutureNet AS-210 U4
• FutureNet AS-250 F-KO
• FutureNet AS-250 F-SC
• FutureNet AS-250 KL
• FutureNet AS-250 KL Rev2
• FutureNet AS-250 L
• FutureNet AS-250 NL
• FutureNet AS-250 S
• FutureNet AS-M250 KL
• FutureNet AS-M250 L
• FutureNet AS-M250 NL
• FutureNet AS-P250 KL
• FutureNet AS-P250 NL
• FutureNet FA-210
• FutureNet FA-215

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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