CVE-2013-4709

Buffer overflow in the PPP Access Concentrator (PPPAC) on the SEIL/x86 with firmware before 2.82, SEIL/X1 with firmware before 4.32, SEIL/X2 with firmware before 4.32, SEIL/B1 with firmware before 4.32, SEIL/Turbo with firmware before 2.16, and SEIL/neu 2FE Plus with firmware before 2.16 allows remote attackers to execute arbitrary code via a crafted L2TP message.

Published: 2013-09-20 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-4709 is rated Moderate Risk (57.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.79%). Mandatory action: 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-2013-4709

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 2.48% 2.79% +0.31%
2 2025-03-29 2.79% 2.48% -0.31%
3 2025-03-17 2.79%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4709

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2013-4709

Affected software / configurations for CVE-2013-4709

Vendor Product Version Raw CPE
iij seil_x2_firmware 1.00 cpe:2.3:o:iij:seil_x2_firmware:1.00:*:*:*:*:*:*:*
iij seil_x2_firmware 4.31 cpe:2.3:o:iij:seil_x2_firmware:4.31:*:*:*:*:*:*:*
iij seil\/x2 cpe:2.3:h:iij:seil\/x2:*:*:*:*:*:*:*:*
iij seil\%2fturbo_firmware 2.05 cpe:2.3:o:iij:seil\%2fturbo_firmware:2.05:*:*:*:*:*:*:*
iij seil\%2fturbo_firmware 2.15 cpe:2.3:o:iij:seil\%2fturbo_firmware:2.15:*:*:*:*:*:*:*
iij seil\/turbo cpe:2.3:h:iij:seil\/turbo:*:*:*:*:*:*:*:*
iij seil\%2fneu_2fe_plus_firmware 2.05 cpe:2.3:o:iij:seil\%2fneu_2fe_plus_firmware:2.05:*:*:*:*:*:*:*
iij seil\%2fneu_2fe_plus_firmware 2.15 cpe:2.3:o:iij:seil\%2fneu_2fe_plus_firmware:2.15:*:*:*:*:*:*:*
iij seil\/neu_2fe_plus cpe:2.3:h:iij:seil\/neu_2fe_plus:*:*:*:*:*:*:*:*
iij seil\%2fb1_firmware 1.00 cpe:2.3:o:iij:seil\%2fb1_firmware:1.00:*:*:*:*:*:*:*
iij seil\%2fb1_firmware 4.31 cpe:2.3:o:iij:seil\%2fb1_firmware:4.31:*:*:*:*:*:*:*
iij seil\/b1 cpe:2.3:h:iij:seil\/b1:*:*:*:*:*:*:*:*
iij seil\%2fx86_firmware 1.00 cpe:2.3:o:iij:seil\%2fx86_firmware:1.00:*:*:*:*:*:*:*
iij seil\%2fx86_firmware 2.81 cpe:2.3:o:iij:seil\%2fx86_firmware:2.81:*:*:*:*:*:*:*
iij seil\/x86 cpe:2.3:h:iij:seil\/x86:*:*:*:*:*:*:*:*
iij seil\%2fx1_firmware 1.00 cpe:2.3:o:iij:seil\%2fx1_firmware:1.00:*:*:*:*:*:*:*
iij seil\%2fx1_firmware 4.31 cpe:2.3:o:iij:seil\%2fx1_firmware:4.31:*:*:*:*:*:*:*
iij seil\/x1 cpe:2.3:h:iij:seil\/x1:*:*:*:*:*:*:*:*

References for CVE-2013-4709

cvelogic Threat Intelligence