CVE:CVE-2015-0887
CNNVD:CNNVD-201502-477
PPP Access Concentrator（PPPAC）on SEIL SEIL/x86 Fuji router等是日本Internet Initiative Japan公司的一款运行于多个SEIL系列路由器设备中的PPP访问集中器。
多款Internet Initiative Japan SEIL路由器的PPPAC中的npppd程序中存在安全漏洞。远程攻击者可通过发送特制的SSTP数据包利用该漏洞造成拒绝服务（无限循环和设备挂起）。以下产品及版本受到影响：SEIL SEIL/x86 Fuji路由器1.00版本至3.30版本，SEIL/X1路由器3.50版本至4.70版本，SEIL/X2路由器3.50版本至4.70版本，SEIL/B1路由器3.50版本至4.70版本。
solution:Upgrade iij seil_x86_fuji_firmware to a higher version than 1.70,1.71,1.72,1.73,1.74,1.75,1.76,1.77,1.78,1.79,1.80,1.81,1.82,1.83,1.84,1.85,1.86,1.87,1.88,1.89,1.90,1.91,1.92,1.93,1.94,1.95,1.96,1.97,1.98,1.99,2.00,2.01,2.02,2.03,2.04,2.05,2.06,2.07,2.08,2.09,2.10,2.11,2.12,2.13,2.14,2.15,2.16,2.17,2.18,2.19,2.20,2.21,2.22,2.23,2.24,2.25,2.26,2.27,2.28,2.29,2.30,2.31,2.32,2.33,2.34,2.35,2.36,2.37,2.38,2.39,2.40,2.41,2.42,2.43,2.44,2.45,2.46,2.47,2.48,2.49,2.50,2.51,2.52,2.53,2.54,2.55,2.56,2.57,2.58,2.59,2.60,2.61,2.62,2.63,2.64,2.65,2.66,2.67,2.68,2.69,2.70,2.71,2.72,2.73,2.74,2.75,2.76,2.77,2.78,2.79,2.80,2.81,2.82,2.83,2.84,2.85,2.86,2.87,2.88,2.89,2.90,2.91,2.92,2.93,2.94,2.95,2.96,2.97,2.98,2.99,3.00,3.01,3.02,3.03,3.04,3.05,3.06,3.07,3.08,3.09,3.10,3.11,3.12,3.13,3.14,3.15,3.16,3.17,3.18,3.19,3.20,3.21,3.30,and avoid the version 1.70,1.71,1.72,1.73,1.74,1.75,1.76,1.77,1.78,1.79,1.80,1.81,1.82,1.83,1.84,1.85,1.86,1.87,1.88,1.89,1.90,1.91,1.92,1.93,1.94,1.95,1.96,1.97,1.98,1.99,2.00,2.01,2.02,2.03,2.04,2.05,2.06,2.07,2.08,2.09,2.10,2.11,2.12,2.13,2.14,2.15,2.16,2.17,2.18,2.19,2.20,2.21,2.22,2.23,2.24,2.25,2.26,2.27,2.28,2.29,2.30,2.31,2.32,2.33,2.34,2.35,2.36,2.37,2.38,2.39,2.40,2.41,2.42,2.43,2.44,2.45,2.46,2.47,2.48,2.49,2.50,2.51,2.52,2.53,2.54,2.55,2.56,2.57,2.58,2.59,2.60,2.61,2.62,2.63,2.64,2.65,2.66,2.67,2.68,2.69,2.70,2.71,2.72,2.73,2.74,2.75,2.76,2.77,2.78,2.79,2.80,2.81,2.82,2.83,2.84,2.85,2.86,2.87,2.88,2.89,2.90,2.91,2.92,2.93,2.94,2.95,2.96,2.97,2.98,2.99,3.00,3.01,3.02,3.03,3.04,3.05,3.06,3.07,3.08,3.09,3.10,3.11,3.12,3.13,3.14,3.15,3.16,3.17,3.18,3.19,3.20,3.21,3.30; Upgrade iij seil/x2_firmware to a higher version than 3.51,3.60,3.70,3.75,3.90,3.91,4.00,4.30,4.31,4.32,4.34,4.40,4.41,4.53,4.60,4.70,and avoid the version 3.51,3.60,3.70,3.75,3.90,3.91,4.00,4.30,4.31,4.32,4.34,4.40,4.41,4.53,4.60,4.70; Upgrade iij seil/x1_firmware to a higher version than 3.51,3.60,3.70,3.75,3.90,3.91,4.00,4.30,4.31,4.32,4.34,4.40,4.41,4.53,4.60,4.70,and avoid the version 3.51,3.60,3.70,3.75,3.90,3.91,4.00,4.30,4.31,4.32,4.34,4.40,4.41,4.53,4.60,4.70; Upgrade iij seil/b1_firmware to a higher version than 3.51,3.60,3.70,3.75,3.90,3.91,4.00,4.30,4.31,4.32,4.34,4.40,4.41,4.53,4.60,4.70,and avoid the version 3.51,3.60,3.70,3.75,3.90,3.91,4.00,4.30,4.31,4.32,4.34,4.40,4.41,4.53,4.60,4.70; Upgrade iij seil/b1 to a higher version than *