Out-of-bounds read vulnerability caused by improper checking of the option length values in IPv6 headers exists in Cente middleware TCP/IP Network Series, which may allow an unauthenticated attacker to stop the device operations by sending a specially crafted packet.
Conclusion & alert: CVE-2024-28894 is rated Low Risk (32.3/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.13%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 0.40% | 0.13% | -0.27% |
| 2 | 2025-11-18 | 0.12% | 0.40% | +0.28% |
| 3 | 2025-05-24 | — | 0.12% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| nxtech | cente_ipv6 | <= 1.51 | cpe:2.3:a:nxtech:cente_ipv6:*:*:*:*:*:*:*:* |
| nxtech | cente_ipv6_snmpv2 | <= 2.30 | cpe:2.3:a:nxtech:cente_ipv6_snmpv2:*:*:*:*:*:*:*:* |
| nxtech | cente_ipv6_snmpv3 | <= 2.30 | cpe:2.3:a:nxtech:cente_ipv6_snmpv3:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://jvn.jp/en/vu/JVNVU94016877/ | Third Party Advisory |
| https://www.cente.jp/obstacle/4960/ | Vendor Advisory |