CVE-2025-25280Buffer overflow vulnerability exists in FutureNet AS series (Industrial Routers) and FA series (Protocol Conversion Machine) provided by…
- 5.3MediumCVSS base score
- 0.51%Exploitation in 30 daysEPSS · top 56% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By jpcert
- 14 days later
· 14 days later
Published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| jpcertCNA (assigner) | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| NVDNVD · Deferred | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
- EPSS (exploitation in 30 days)
- 0.51% · top 56% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
Century Systems Co., Ltd. · FutureNet AS-250/S
- affected firmware Version 1.14.0 and earlier
Century Systems Co., Ltd. · FutureNet AS-250/F-SC
- affected firmware Version 1.14.0 and earlier
Century Systems Co., Ltd. · FutureNet AS-250/F-KO
- affected firmware Version 1.14.0 and earlier
Century Systems Co., Ltd. · FutureNet AS-250/NL
- affected firmware Version 1.14.0 and earlier
Century Systems Co., Ltd. · FutureNet AS-250/KL
- affected firmware Version 1.14.0 and earlier
Century Systems Co., Ltd. · FutureNet AS-250/KL Rev2
- affected firmware Version 2.6.6 and earlier
Century Systems Co., Ltd. · FutureNet AS-250/L
- affected firmware Version 2.6.6 and earlier
Century Systems Co., Ltd. · FutureNet AS-M250/L
- affected firmware Version 3.0.0 and earlier
Century Systems Co., Ltd. · FutureNet AS-M250/KL
- affected firmware Version 3.0.0 and earlier
Century Systems Co., Ltd. · FutureNet AS-M250/NL
- affected firmware Version 3.0.0 and earlier
Century Systems Co., Ltd. · FutureNet AS-P250/NL
- affected firmware Version 2.6.6 and earlier
Century Systems Co., Ltd. · FutureNet AS-P250/KL
- affected firmware Version 2.6.6 and earlier
Century Systems Co., Ltd. · FutureNet AS-210/U4
- affected firmware Version 2.6.6 and earlier
Century Systems Co., Ltd. · FutureNet FA-210
- affected firmware Version 1.1.9 and earlier
Century Systems Co., Ltd. · FutureNet FA-215
- affected firmware Version 1.0.1 and earlier
References
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-5804 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-25280)Record last updated .