CVE:CVE-2021-20680
CNNVD:CNNVD-202104-630
NEC Aterm是日本电气（NEC）公司的一个无线路由器。
NEC Aterm 多款产品存在安全漏洞，该漏洞源于对用户提供的输入进行了不恰当的验证造成的。
solution:Upgrade nec aterm_wg1900hp2_firmware to a higher version than 1.3.1,and avoid the version (,1.3.1]; Upgrade nec aterm_wg1900hp_firmware to a higher version than 2.5.1,and avoid the version (,2.5.1]; Upgrade nec aterm_wg1800hp4_firmware to a higher version than 1.3.1,and avoid the version (,1.3.1]; Upgrade nec aterm_wg1800hp3_firmware to a higher version than 1.5.1,and avoid the version (,1.5.1]; Upgrade nec aterm_wg1200hs3_firmware to a higher version than 1.1.2,and avoid the version (,1.1.2]; Upgrade nec aterm_wg1200hs2_firmware to a higher version than 2.5.0,and avoid the version (,2.5.0]; Upgrade nec aterm_wg1200hp3_firmware to a higher version than 1.3.1,and avoid the version (,1.3.1]; Upgrade nec aterm_wg1200hp2_firmware to a higher version than 2.5.0,and avoid the version (,2.5.0]; Upgrade nec aterm_w1200ex_firmware to a higher version than 1.3.1,and avoid the version (,1.3.1]; Upgrade nec aterm_w1200ex-ms_firmware to a higher version than 1.3.1,and avoid the version (,1.3.1]; Upgrade nec aterm_wg1200hs_firmware to a higher version than *; Upgrade nec aterm_wg1200hp_firmware to a higher version than *; Upgrade nec aterm_wf800hp_firmware to a higher version than *; Upgrade nec aterm_wf300hp2_firmware to a higher version than *; Upgrade nec aterm_wr8165n_firmware to a higher version than *; Upgrade nec aterm_w500p_firmware to a higher version than *; Upgrade nec aterm_w300p_firmware to a higher version than *