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Fencer Vulns
medium 5.3

CVE-2025-25280 json

Buffer overflow vulnerability exists in FutureNet AS series (Industrial Routers) and FA series (Protocol Conversion Machine) provided by Ce…

published 2025-03-03 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-5804

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits
0
none known

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.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

  • Century Systems Co., Ltd. FutureNet AS-250/S
  • Century Systems Co., Ltd. FutureNet AS-250/F-SC
  • Century Systems Co., Ltd. FutureNet AS-250/F-KO
  • Century Systems Co., Ltd. FutureNet AS-250/NL
  • Century Systems Co., Ltd. FutureNet AS-250/KL
  • Century Systems Co., Ltd. FutureNet AS-250/KL Rev2
  • Century Systems Co., Ltd. FutureNet AS-250/L
  • Century Systems Co., Ltd. FutureNet AS-M250/L
  • Century Systems Co., Ltd. FutureNet AS-M250/KL
  • Century Systems Co., Ltd. FutureNet AS-M250/NL
  • Century Systems Co., Ltd. FutureNet AS-P250/NL
  • Century Systems Co., Ltd. FutureNet AS-P250/KL
  • Century Systems Co., Ltd. FutureNet AS-210/U4
  • Century Systems Co., Ltd. FutureNet FA-210
  • Century Systems Co., Ltd. FutureNet FA-215

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.