CVE-2014-7256

The (1) PPP Access Concentrator (PPPAC) and (2) Dial-Up Networking Internet Initiative Japan Inc. SEIL series routers SEIL/x86 Fuji 1.00 through 3.22; SEIL/X1, SEIL/X2, and SEIL/B1 1.00 through 4.62; SEIL/Turbo 1.82 through 2.18; and SEIL/neu 2FE Plus 1.82 through 2.18 allow remote attackers to cause a denial of service (restart) via crafted (a) GRE or (b) MPPE packets.

Published: 2014-12-05 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-7256 is rated Moderate Risk (55.7/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.69%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-7256

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 2025-03-30 0.51% 0.69% +0.18%
2 2025-03-29 0.65% 0.51% -0.14%
3 2025-03-17 — 0.65% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-7256

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2014-7256

Affected software / configurations for CVE-2014-7256

Vendor Product Version Raw CPE
iij seil_plus_firmware 1.82 cpe:2.3:o:iij:seil_plus_firmware:1.82:*:*:*:*:*:*:*
iij seil_plus_firmware 1.83 cpe:2.3:o:iij:seil_plus_firmware:1.83:*:*:*:*:*:*:*
iij seil_plus_firmware 1.84 cpe:2.3:o:iij:seil_plus_firmware:1.84:*:*:*:*:*:*:*
iij seil_plus_firmware 1.85 cpe:2.3:o:iij:seil_plus_firmware:1.85:*:*:*:*:*:*:*
iij seil_plus_firmware 1.86 cpe:2.3:o:iij:seil_plus_firmware:1.86:*:*:*:*:*:*:*
iij seil_plus_firmware 1.87 cpe:2.3:o:iij:seil_plus_firmware:1.87:*:*:*:*:*:*:*
iij seil_plus_firmware 1.88 cpe:2.3:o:iij:seil_plus_firmware:1.88:*:*:*:*:*:*:*
iij seil_plus_firmware 1.89 cpe:2.3:o:iij:seil_plus_firmware:1.89:*:*:*:*:*:*:*
iij seil_plus_firmware 1.90 cpe:2.3:o:iij:seil_plus_firmware:1.90:*:*:*:*:*:*:*
iij seil_plus_firmware 1.91 cpe:2.3:o:iij:seil_plus_firmware:1.91:*:*:*:*:*:*:*
iij seil_plus_firmware 1.92 cpe:2.3:o:iij:seil_plus_firmware:1.92:*:*:*:*:*:*:*
iij seil_plus_firmware 1.93 cpe:2.3:o:iij:seil_plus_firmware:1.93:*:*:*:*:*:*:*
iij seil_plus_firmware 1.94 cpe:2.3:o:iij:seil_plus_firmware:1.94:*:*:*:*:*:*:*
iij seil_plus_firmware 1.95 cpe:2.3:o:iij:seil_plus_firmware:1.95:*:*:*:*:*:*:*
iij seil_plus_firmware 1.96 cpe:2.3:o:iij:seil_plus_firmware:1.96:*:*:*:*:*:*:*
iij seil_plus_firmware 1.97 cpe:2.3:o:iij:seil_plus_firmware:1.97:*:*:*:*:*:*:*
iij seil_plus_firmware 1.98 cpe:2.3:o:iij:seil_plus_firmware:1.98:*:*:*:*:*:*:*
iij seil_plus_firmware 1.99 cpe:2.3:o:iij:seil_plus_firmware:1.99:*:*:*:*:*:*:*
iij seil_plus_firmware 2.01 cpe:2.3:o:iij:seil_plus_firmware:2.01:*:*:*:*:*:*:*
iij seil_plus_firmware 2.02 cpe:2.3:o:iij:seil_plus_firmware:2.02:*:*:*:*:*:*:*
iij seil_plus_firmware 2.03 cpe:2.3:o:iij:seil_plus_firmware:2.03:*:*:*:*:*:*:*
iij seil_plus_firmware 2.04 cpe:2.3:o:iij:seil_plus_firmware:2.04:*:*:*:*:*:*:*
iij seil_plus_firmware 2.05 cpe:2.3:o:iij:seil_plus_firmware:2.05:*:*:*:*:*:*:*
iij seil_plus_firmware 2.06 cpe:2.3:o:iij:seil_plus_firmware:2.06:*:*:*:*:*:*:*
iij seil_plus_firmware 2.07 cpe:2.3:o:iij:seil_plus_firmware:2.07:*:*:*:*:*:*:*
iij seil_plus_firmware 2.08 cpe:2.3:o:iij:seil_plus_firmware:2.08:*:*:*:*:*:*:*
iij seil_plus_firmware 2.09 cpe:2.3:o:iij:seil_plus_firmware:2.09:*:*:*:*:*:*:*
iij seil_plus_firmware 2.10 cpe:2.3:o:iij:seil_plus_firmware:2.10:*:*:*:*:*:*:*
iij seil_plus_firmware 2.11 cpe:2.3:o:iij:seil_plus_firmware:2.11:*:*:*:*:*:*:*
iij seil_plus_firmware 2.12 cpe:2.3:o:iij:seil_plus_firmware:2.12:*:*:*:*:*:*:*
iij seil_plus_firmware 2.13 cpe:2.3:o:iij:seil_plus_firmware:2.13:*:*:*:*:*:*:*
iij seil_plus_firmware 2.14 cpe:2.3:o:iij:seil_plus_firmware:2.14:*:*:*:*:*:*:*
iij seil_plus_firmware 2.15 cpe:2.3:o:iij:seil_plus_firmware:2.15:*:*:*:*:*:*:*
iij seil_plus_firmware 2.16 cpe:2.3:o:iij:seil_plus_firmware:2.16:*:*:*:*:*:*:*
iij seil_plus_firmware 2.17 cpe:2.3:o:iij:seil_plus_firmware:2.17:*:*:*:*:*:*:*
iij seil_plus_firmware 2.18 cpe:2.3:o:iij:seil_plus_firmware:2.18:*:*:*:*:*:*:*
iij seil_plus — cpe:2.3:h:iij:seil_plus:-:*:*:*:*:*:*:*
iij seil_b1_firmware <= 4.61 cpe:2.3:o:iij:seil_b1_firmware:*:*:*:*:*:*:*:*
iij seil_x1_firmware <= 4.61 cpe:2.3:o:iij:seil_x1_firmware:*:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.82 cpe:2.3:o:iij:seil_turbo_firmware:1.82:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.83 cpe:2.3:o:iij:seil_turbo_firmware:1.83:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.84 cpe:2.3:o:iij:seil_turbo_firmware:1.84:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.85 cpe:2.3:o:iij:seil_turbo_firmware:1.85:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.86 cpe:2.3:o:iij:seil_turbo_firmware:1.86:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.87 cpe:2.3:o:iij:seil_turbo_firmware:1.87:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.88 cpe:2.3:o:iij:seil_turbo_firmware:1.88:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.89 cpe:2.3:o:iij:seil_turbo_firmware:1.89:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.90 cpe:2.3:o:iij:seil_turbo_firmware:1.90:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.91 cpe:2.3:o:iij:seil_turbo_firmware:1.91:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.92 cpe:2.3:o:iij:seil_turbo_firmware:1.92:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.93 cpe:2.3:o:iij:seil_turbo_firmware:1.93:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.94 cpe:2.3:o:iij:seil_turbo_firmware:1.94:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.95 cpe:2.3:o:iij:seil_turbo_firmware:1.95:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.96 cpe:2.3:o:iij:seil_turbo_firmware:1.96:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.97 cpe:2.3:o:iij:seil_turbo_firmware:1.97:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.98 cpe:2.3:o:iij:seil_turbo_firmware:1.98:*:*:*:*:*:*:*
iij seil_turbo_firmware 1.99 cpe:2.3:o:iij:seil_turbo_firmware:1.99:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.00 cpe:2.3:o:iij:seil_turbo_firmware:2.00:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.01 cpe:2.3:o:iij:seil_turbo_firmware:2.01:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.02 cpe:2.3:o:iij:seil_turbo_firmware:2.02:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.03 cpe:2.3:o:iij:seil_turbo_firmware:2.03:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.04 cpe:2.3:o:iij:seil_turbo_firmware:2.04:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.05 cpe:2.3:o:iij:seil_turbo_firmware:2.05:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.06 cpe:2.3:o:iij:seil_turbo_firmware:2.06:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.07 cpe:2.3:o:iij:seil_turbo_firmware:2.07:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.08 cpe:2.3:o:iij:seil_turbo_firmware:2.08:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.09 cpe:2.3:o:iij:seil_turbo_firmware:2.09:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.10 cpe:2.3:o:iij:seil_turbo_firmware:2.10:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.11 cpe:2.3:o:iij:seil_turbo_firmware:2.11:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.12 cpe:2.3:o:iij:seil_turbo_firmware:2.12:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.13 cpe:2.3:o:iij:seil_turbo_firmware:2.13:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.14 cpe:2.3:o:iij:seil_turbo_firmware:2.14:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.15 cpe:2.3:o:iij:seil_turbo_firmware:2.15:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.16 cpe:2.3:o:iij:seil_turbo_firmware:2.16:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.17 cpe:2.3:o:iij:seil_turbo_firmware:2.17:*:*:*:*:*:*:*
iij seil_turbo_firmware 2.18 cpe:2.3:o:iij:seil_turbo_firmware:2.18:*:*:*:*:*:*:*
iij seil_turbo — cpe:2.3:h:iij:seil_turbo:-:*:*:*:*:*:*:*
iij seil_x86_fuji_firmware <= 3.21 cpe:2.3:o:iij:seil_x86_fuji_firmware:*:*:*:*:*:*:*:*
iij seil_x2_firmware <= 4.61 cpe:2.3:o:iij:seil_x2_firmware:*:*:*:*:*:*:*:*

References for CVE-2014-7256

cvelogic Threat Intelligence