CVE-2011-1323

Yamaha RTX, RT, SRT, RTV, RTW, and RTA series routers with firmware 6.x through 10.x, and NEC IP38X series routers with firmware 6.x through 10.x, do not properly handle IP header options, which allows remote attackers to cause a denial of service (device reboot) via a crafted option that triggers access to an invalid memory location.

Published: 2011-05-09 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-1323 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-2011-1323

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 0.69% 0.51% -0.18%
3 2025-03-17 — 0.69% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-1323

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-2011-1323

Affected software / configurations for CVE-2011-1323

Vendor Product Version Raw CPE
yamaha rt100i 1.02.05 cpe:2.3:o:yamaha:rt100i:1.02.05:*:*:*:*:*:*:*
yamaha rt100i 1.02.08 cpe:2.3:o:yamaha:rt100i:1.02.08:*:*:*:*:*:*:*
yamaha rt100i 1.02.16 cpe:2.3:o:yamaha:rt100i:1.02.16:*:*:*:*:*:*:*
yamaha rt100i 1.03.08 cpe:2.3:o:yamaha:rt100i:1.03.08:*:*:*:*:*:*:*
yamaha rt100i 1.03.12 cpe:2.3:o:yamaha:rt100i:1.03.12:*:*:*:*:*:*:*
yamaha rt100i 1.03.15 cpe:2.3:o:yamaha:rt100i:1.03.15:*:*:*:*:*:*:*
yamaha rt100i 1.03.24 cpe:2.3:o:yamaha:rt100i:1.03.24:*:*:*:*:*:*:*
yamaha rt100i 1.03.25 cpe:2.3:o:yamaha:rt100i:1.03.25:*:*:*:*:*:*:*
yamaha rt100i 1.03.30 cpe:2.3:o:yamaha:rt100i:1.03.30:*:*:*:*:*:*:*
yamaha rt100i 1.04.03 cpe:2.3:o:yamaha:rt100i:1.04.03:*:*:*:*:*:*:*
yamaha rt100i 1.04.06 cpe:2.3:o:yamaha:rt100i:1.04.06:*:*:*:*:*:*:*
yamaha rt100i 1.04.09 cpe:2.3:o:yamaha:rt100i:1.04.09:*:*:*:*:*:*:*
yamaha rt100i 1.05.05 cpe:2.3:o:yamaha:rt100i:1.05.05:*:*:*:*:*:*:*
yamaha rt100i 1.05.07 cpe:2.3:o:yamaha:rt100i:1.05.07:*:*:*:*:*:*:*
yamaha rt100i 1.05.09 cpe:2.3:o:yamaha:rt100i:1.05.09:*:*:*:*:*:*:*
yamaha rt100i 1.05.10 cpe:2.3:o:yamaha:rt100i:1.05.10:*:*:*:*:*:*:*
yamaha rt100i 1.05.13 cpe:2.3:o:yamaha:rt100i:1.05.13:*:*:*:*:*:*:*
yamaha rt100i 1.06.08 cpe:2.3:o:yamaha:rt100i:1.06.08:*:*:*:*:*:*:*
yamaha rt100i 1.06.10 cpe:2.3:o:yamaha:rt100i:1.06.10:*:*:*:*:*:*:*
yamaha rt100i 1.06.12 cpe:2.3:o:yamaha:rt100i:1.06.12:*:*:*:*:*:*:*
yamaha rt100i 1.06.14 cpe:2.3:o:yamaha:rt100i:1.06.14:*:*:*:*:*:*:*
yamaha rt100i 1.06.15 cpe:2.3:o:yamaha:rt100i:1.06.15:*:*:*:*:*:*:*
yamaha rt100i 1.06.22 cpe:2.3:o:yamaha:rt100i:1.06.22:*:*:*:*:*:*:*
yamaha rt100i 1.07.01 cpe:2.3:o:yamaha:rt100i:1.07.01:*:*:*:*:*:*:*
yamaha rt100i 1.07.05 cpe:2.3:o:yamaha:rt100i:1.07.05:*:*:*:*:*:*:*
yamaha rt100i 1.07.07 cpe:2.3:o:yamaha:rt100i:1.07.07:*:*:*:*:*:*:*
yamaha rt100i 2.01.07 cpe:2.3:o:yamaha:rt100i:2.01.07:*:*:*:*:*:*:*
yamaha rt100i 2.01.11 cpe:2.3:o:yamaha:rt100i:2.01.11:*:*:*:*:*:*:*
yamaha rt100i 2.01.14 cpe:2.3:o:yamaha:rt100i:2.01.14:*:*:*:*:*:*:*
yamaha rt100i 2.01.19 cpe:2.3:o:yamaha:rt100i:2.01.19:*:*:*:*:*:*:*
yamaha rt100i 2.01.20 cpe:2.3:o:yamaha:rt100i:2.01.20:*:*:*:*:*:*:*
yamaha rt100i 2.01.21 cpe:2.3:o:yamaha:rt100i:2.01.21:*:*:*:*:*:*:*
yamaha rt100i 2.02.15 cpe:2.3:o:yamaha:rt100i:2.02.15:*:*:*:*:*:*:*
yamaha rt100i 2.02.17 cpe:2.3:o:yamaha:rt100i:2.02.17:*:*:*:*:*:*:*
yamaha rt100i 2.02.19 cpe:2.3:o:yamaha:rt100i:2.02.19:*:*:*:*:*:*:*
yamaha rt100i 2.02.23 cpe:2.3:o:yamaha:rt100i:2.02.23:*:*:*:*:*:*:*
yamaha rt100i 2.02.27 cpe:2.3:o:yamaha:rt100i:2.02.27:*:*:*:*:*:*:*
yamaha rt100i 2.02.28 cpe:2.3:o:yamaha:rt100i:2.02.28:*:*:*:*:*:*:*
yamaha rt100i 2.02.29 cpe:2.3:o:yamaha:rt100i:2.02.29:*:*:*:*:*:*:*
yamaha rt100i 2.02.31 cpe:2.3:o:yamaha:rt100i:2.02.31:*:*:*:*:*:*:*
yamaha rt100i 2.02.33 cpe:2.3:o:yamaha:rt100i:2.02.33:*:*:*:*:*:*:*
yamaha rt100i 2.02.34 cpe:2.3:o:yamaha:rt100i:2.02.34:*:*:*:*:*:*:*
yamaha rt100i 2.02.35 cpe:2.3:o:yamaha:rt100i:2.02.35:*:*:*:*:*:*:*
yamaha rt100i 2.02.36 cpe:2.3:o:yamaha:rt100i:2.02.36:*:*:*:*:*:*:*
yamaha rt100i 2.02.38 cpe:2.3:o:yamaha:rt100i:2.02.38:*:*:*:*:*:*:*
yamaha rt100i 2.02.39 cpe:2.3:o:yamaha:rt100i:2.02.39:*:*:*:*:*:*:*
yamaha rt100i 2.02.40 cpe:2.3:o:yamaha:rt100i:2.02.40:*:*:*:*:*:*:*
yamaha rt100i 2.02.41 cpe:2.3:o:yamaha:rt100i:2.02.41:*:*:*:*:*:*:*
yamaha rt100i 2.02.44 cpe:2.3:o:yamaha:rt100i:2.02.44:*:*:*:*:*:*:*
yamaha rt100i 2.02.45 cpe:2.3:o:yamaha:rt100i:2.02.45:*:*:*:*:*:*:*
yamaha rt100i 2.02.46 cpe:2.3:o:yamaha:rt100i:2.02.46:*:*:*:*:*:*:*
yamaha rt100i 3.00.09 cpe:2.3:o:yamaha:rt100i:3.00.09:*:*:*:*:*:*:*
yamaha rt100i 3.00.16 cpe:2.3:o:yamaha:rt100i:3.00.16:*:*:*:*:*:*:*
yamaha rt100i 3.00.18 cpe:2.3:o:yamaha:rt100i:3.00.18:*:*:*:*:*:*:*
yamaha rt100i 3.00.23 cpe:2.3:o:yamaha:rt100i:3.00.23:*:*:*:*:*:*:*
yamaha rt100i 3.00.28 cpe:2.3:o:yamaha:rt100i:3.00.28:*:*:*:*:*:*:*
yamaha rt100i 3.00.30 cpe:2.3:o:yamaha:rt100i:3.00.30:*:*:*:*:*:*:*
yamaha rt100i 3.00.31 cpe:2.3:o:yamaha:rt100i:3.00.31:*:*:*:*:*:*:*
yamaha rt100i 3.00.33 cpe:2.3:o:yamaha:rt100i:3.00.33:*:*:*:*:*:*:*
yamaha rt100i 3.00.35 cpe:2.3:o:yamaha:rt100i:3.00.35:*:*:*:*:*:*:*
yamaha rt100i 3.00.36 cpe:2.3:o:yamaha:rt100i:3.00.36:*:*:*:*:*:*:*
yamaha rt100i 3.00.37 cpe:2.3:o:yamaha:rt100i:3.00.37:*:*:*:*:*:*:*
yamaha rt100i 3.00.42 cpe:2.3:o:yamaha:rt100i:3.00.42:*:*:*:*:*:*:*
yamaha rt100i 3.00.44 cpe:2.3:o:yamaha:rt100i:3.00.44:*:*:*:*:*:*:*
yamaha rt100i 3.00.45 cpe:2.3:o:yamaha:rt100i:3.00.45:*:*:*:*:*:*:*
yamaha rt100i 3.00.46 cpe:2.3:o:yamaha:rt100i:3.00.46:*:*:*:*:*:*:*
yamaha rt100i 3.00.47 cpe:2.3:o:yamaha:rt100i:3.00.47:*:*:*:*:*:*:*
yamaha rt102i 1.06.08 cpe:2.3:o:yamaha:rt102i:1.06.08:*:*:*:*:*:*:*
yamaha rt102i 1.06.10 cpe:2.3:o:yamaha:rt102i:1.06.10:*:*:*:*:*:*:*
yamaha rt102i 1.06.12 cpe:2.3:o:yamaha:rt102i:1.06.12:*:*:*:*:*:*:*
yamaha rt102i 1.06.14 cpe:2.3:o:yamaha:rt102i:1.06.14:*:*:*:*:*:*:*
yamaha rt102i 1.06.15 cpe:2.3:o:yamaha:rt102i:1.06.15:*:*:*:*:*:*:*
yamaha rt102i 1.06.22 cpe:2.3:o:yamaha:rt102i:1.06.22:*:*:*:*:*:*:*
yamaha rt102i 1.07.01 cpe:2.3:o:yamaha:rt102i:1.07.01:*:*:*:*:*:*:*
yamaha rt102i 1.07.05 cpe:2.3:o:yamaha:rt102i:1.07.05:*:*:*:*:*:*:*
yamaha rt102i 1.07.07 cpe:2.3:o:yamaha:rt102i:1.07.07:*:*:*:*:*:*:*
yamaha rt102i 2.01.07 cpe:2.3:o:yamaha:rt102i:2.01.07:*:*:*:*:*:*:*
yamaha rt102i 2.01.11 cpe:2.3:o:yamaha:rt102i:2.01.11:*:*:*:*:*:*:*
yamaha rt102i 2.01.14 cpe:2.3:o:yamaha:rt102i:2.01.14:*:*:*:*:*:*:*
yamaha rt102i 2.01.19 cpe:2.3:o:yamaha:rt102i:2.01.19:*:*:*:*:*:*:*

References for CVE-2011-1323

cvelogic Threat Intelligence