Read the docs
TI-2025-18934 Aliases CVE-2025-25280GHSA-vr9j-f779-6jqx

Buffer overflow in Century Systems Co., Ltd. FutureNet AS-250/S

Priority LOW 31CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00514 44th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Century Systems Co., Ltd.FutureNet AS-250/Sfirmware Version 1.14.0 and earlier—No fix listedCNA
Century Systems Co., Ltd.FutureNet AS-250/F-SCfirmware Version 1.14.0 and earlier—No fix listedCNA
Century Systems Co., Ltd.FutureNet AS-250/F-KOfirmware Version 1.14.0 and earlier—No fix listedCNA
Century Systems Co., Ltd.FutureNet AS-250/NLfirmware Version 1.14.0 and earlier—No fix listedCNA
Century Systems Co., Ltd.FutureNet AS-250/KLfirmware Version 1.14.0 and earlier—No fix listedCNA
Century Systems Co., Ltd.FutureNet AS-250/KL Rev2firmware Version 2.6.6 and earlier—No fix listedCNA
Century Systems Co., Ltd.FutureNet AS-250/Lfirmware Version 2.6.6 and earlier—No fix listedCNA
Century Systems Co., Ltd.FutureNet AS-M250/Lfirmware Version 3.0.0 and earlier—No fix listedCNA
Century Systems Co., Ltd.FutureNet AS-M250/KLfirmware Version 3.0.0 and earlier—No fix listedCNA
Century Systems Co., Ltd.FutureNet AS-M250/NLfirmware Version 3.0.0 and earlier—No fix listedCNA
Century Systems Co., Ltd.FutureNet AS-P250/NLfirmware Version 2.6.6 and earlier—No fix listedCNA
Century Systems Co., Ltd.FutureNet AS-P250/KLfirmware Version 2.6.6 and earlier—No fix listedCNA
Century Systems Co., Ltd.FutureNet AS-210/U4firmware Version 2.6.6 and earlier—No fix listedCNA
Century Systems Co., Ltd.FutureNet FA-210firmware Version 1.1.9 and earlier—No fix listedCNA
Century Systems Co., Ltd.FutureNet FA-215firmware Version 1.0.1 and earlier—No fix listedCNA
  • FutureNet AS-250/S VendorCentury Systems Co., Ltd. Affected firmware Version 1.14.0 and earlier Fixed in — No fix listed CNA
  • FutureNet AS-250/F-SC VendorCentury Systems Co., Ltd. Affected firmware Version 1.14.0 and earlier Fixed in — No fix listed CNA
  • FutureNet AS-250/F-KO VendorCentury Systems Co., Ltd. Affected firmware Version 1.14.0 and earlier Fixed in — No fix listed CNA
  • FutureNet AS-250/NL VendorCentury Systems Co., Ltd. Affected firmware Version 1.14.0 and earlier Fixed in — No fix listed CNA
  • FutureNet AS-250/KL VendorCentury Systems Co., Ltd. Affected firmware Version 1.14.0 and earlier Fixed in — No fix listed CNA
  • FutureNet AS-250/KL Rev2 VendorCentury Systems Co., Ltd. Affected firmware Version 2.6.6 and earlier Fixed in — No fix listed CNA
  • FutureNet AS-250/L VendorCentury Systems Co., Ltd. Affected firmware Version 2.6.6 and earlier Fixed in — No fix listed CNA
  • FutureNet AS-M250/L VendorCentury Systems Co., Ltd. Affected firmware Version 3.0.0 and earlier Fixed in — No fix listed CNA
  • FutureNet AS-M250/KL VendorCentury Systems Co., Ltd. Affected firmware Version 3.0.0 and earlier Fixed in — No fix listed CNA
  • FutureNet AS-M250/NL VendorCentury Systems Co., Ltd. Affected firmware Version 3.0.0 and earlier Fixed in — No fix listed CNA
  • FutureNet AS-P250/NL VendorCentury Systems Co., Ltd. Affected firmware Version 2.6.6 and earlier Fixed in — No fix listed CNA
  • FutureNet AS-P250/KL VendorCentury Systems Co., Ltd. Affected firmware Version 2.6.6 and earlier Fixed in — No fix listed CNA
  • FutureNet AS-210/U4 VendorCentury Systems Co., Ltd. Affected firmware Version 2.6.6 and earlier Fixed in — No fix listed CNA
  • FutureNet FA-210 VendorCentury Systems Co., Ltd. Affected firmware Version 1.1.9 and earlier Fixed in — No fix listed CNA
  • FutureNet FA-215 VendorCentury Systems Co., Ltd. Affected firmware Version 1.0.1 and earlier Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-25280
  2. 2026-10-03 Alias added: GHSA-vr9j-f779-6jqx

References

  • TI-2024-33792 FutureNet NXR series routers provided by Century Systems Co., Ltd. CVSS 3.0CRITICAL 9.8
  • TI-2024-24267 OS command injection in Century Systems Co., Ltd. FutureNet NXR-1300 series CVSS 3.1CRITICAL 9.8
  • TI-2024-20461 Initialization of a resource with an insecure default vulnerability in FutureNet NXR… CVSS 3.1CRITICAL 9.1
  • TI-2025-34524 OS command injection in Century Systems Co., Ltd. FutureNet MA-X series CVSS 4.0HIGH 8.6
  • TI-2024-24254 OS command injection in Century Systems Co., Ltd. FutureNet NXR-1300 series CVSS 3.1HIGH 8.8
  • TI-2025-18555 Authentication bypass in Century Systems Co., Ltd. FutureNet AS-250/S CVSS 3.1HIGH 7.5
See all 9 →

Sources