Vulnerability · Published Mar 3, 2025 · Assigned by jpcert

CVE-2025-25280

Medium 5.3

In plain English

A medium-severity buffer overflow in FutureNet AS-210/U4 from Century Systems Co., Ltd.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.5%top 56.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Century Systems Co., Ltd. FutureNet AS-250/S firmware Version 1.14.0 and earlier
Century Systems Co., Ltd. FutureNet AS-250/F-SC firmware Version 1.14.0 and earlier
Century Systems Co., Ltd. FutureNet AS-250/F-KO firmware Version 1.14.0 and earlier
Century Systems Co., Ltd. FutureNet AS-250/NL firmware Version 1.14.0 and earlier
Century Systems Co., Ltd. FutureNet AS-250/KL firmware Version 1.14.0 and earlier
Century Systems Co., Ltd. FutureNet AS-250/KL Rev2 firmware Version 2.6.6 and earlier
Century Systems Co., Ltd. FutureNet AS-250/L firmware Version 2.6.6 and earlier
Century Systems Co., Ltd. FutureNet AS-M250/L firmware Version 3.0.0 and earlier
Century Systems Co., Ltd. FutureNet AS-M250/KL firmware Version 3.0.0 and earlier
Century Systems Co., Ltd. FutureNet AS-M250/NL firmware Version 3.0.0 and earlier
Century Systems Co., Ltd. FutureNet AS-P250/NL firmware Version 2.6.6 and earlier
Century Systems Co., Ltd. FutureNet AS-P250/KL firmware Version 2.6.6 and earlier
Century Systems Co., Ltd. FutureNet AS-210/U4 firmware Version 2.6.6 and earlier
Century Systems Co., Ltd. FutureNet FA-210 firmware Version 1.1.9 and earlier
Century Systems Co., Ltd. FutureNet FA-215 firmware Version 1.0.1 and earlier

Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References