D-Link DLS-2750U ftp firmward update

220 Ftp firmware update utility
421 Login incorrect.
500 Unknown command: "HELP"
500 Unknown command: "FEAT"

Broadcom BCM96328 ADSL router telnetd

BCM96328 Broadband Router
Login: 

micro_httpd

HTTP/1.1 401 Unauthorized
Server: micro_httpd
Cache-Control: no-cache
Date: Thu, 01 Jan 1970 11:08:31 GMT
WWW-Authenticate: Basic realm="Broadband Router"
Content-Type: text/html
Connection: close

micro_httpd

HTTP/1.1 401 Unauthorized
Server: micro_httpd
Date: Thu, 01 Jan 1970 20:34:49 GMT
WWW-Authenticate: Basic realm="Broadband Router"
Content-Type: text/html
Connection: close

Certificate:
    Data:
        Version: 1 (0x0)
        Serial Number:
            fc:dc:cb:a9:cc:2f:0b:c5
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=TW, ST=Taiwan, L=TPE, O=Comtrend, CN=Broadband Router
        Validity
            Not Before: Jan 12 05:34:51 2015 GMT
            Not After : Jan  9 05:34:51 2025 GMT
        Subject: C=TW, ST=Taiwan, L=TPE, O=Comtrend, CN=Broadband Router
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:bb:15:89:37:de:b1:ff:7b:29:cb:3a:96:98:47:
                    77:a7:32:d7:3a:e7:e0:fe:e6:b4:2e:9f:40:c5:92:
                    01:1a:8b:dd:d9:c1:1d:6f:24:98:5e:77:5d:f3:f0:
                    3f:8d:0b:4c:51:d7:45:e7:2b:fc:47:4a:7e:6f:a5:
                    6b:fc:91:13:07:3a:ac:3e:de:67:34:3d:59:e4:b2:
                    d0:30:57:aa:14:f0:7f:43:c2:f8:dc:f9:f1:82:f9:
                    77:e7:ab:13:c3:39:8a:26:cd:2f:9f:4a:14:9b:68:
                    c0:af:9b:d1:98:9a:42:78:c4:00:d5:12:58:8a:de:
                    8f:b8:e9:1b:ff:4b:2f:70:5c:27:be:c6:aa:f3:72:
                    86:5e:90:30:28:ff:2b:f9:bf:18:3f:61:a8:cd:f8:
                    4d:d2:18:f4:9a:16:30:11:f7:6f:63:46:7f:8a:1c:
                    9d:01:6c:da:13:72:b9:f2:36:26:a4:0e:af:aa:f8:
                    55:2c:6c:eb:77:32:c7:a1:f5:ba:58:57:a6:79:87:
                    0f:6c:c5:e7:1a:3f:92:a7:79:2a:56:43:e4:a0:14:
                    3f:76:d5:96:e2:f4:36:89:40:75:71:ef:4d:68:c2:
                    79:22:3b:10:db:92:57:b7:af:ae:56:8a:3a:6b:fb:
                    fa:fc:71:40:8d:a9:65:97:ae:3a:58:29:42:39:dd:
                    a6:19
                Exponent: 65537 (0x10001)
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        74:87:09:e3:b2:2d:b9:b1:8a:a3:88:d2:e5:ff:7c:2a:f7:f4:
        d8:ec:52:e2:21:8a:95:2e:31:7f:82:53:b0:3a:0e:4e:f8:6f:
        82:0b:24:d2:e1:bd:6d:3a:7e:02:d8:5b:50:6b:9f:34:3e:59:
        06:6b:35:d6:e6:1d:31:56:c6:89:83:84:d5:19:16:d2:8c:d2:
        20:aa:91:2c:67:b1:f9:9e:23:ad:56:7f:6a:5a:ef:9e:73:58:
        c5:24:60:db:9f:2f:8b:6d:be:4c:70:4d:69:8d:f5:bf:1a:9a:
        5f:06:d0:da:fb:f9:11:41:00:e9:a8:3e:12:bc:42:8e:c6:41:
        95:ae:42:d0:91:a3:95:b2:10:89:f9:de:04:5b:9a:84:87:55:
        96:34:7a:a3:9f:18:43:64:3b:93:68:65:9c:53:c0:e4:fb:c9:
        8e:16:f2:5b:8c:72:5c:d5:fa:f0:11:2c:ef:2d:76:78:87:22:
        74:5c:06:7e:dc:13:57:ab:df:6f:5d:96:74:93:4b:4b:95:99:
        69:a3:3b:9b:de:5a:22:da:93:46:14:f9:7e:88:69:91:56:7e:
        64:64:57:d5:e5:97:b2:3f:49:e2:f6:9c:0f:28:59:7c:8a:88:
        50:05:aa:f7:98:ab:3b:4d:a9:3e:d9:ac:4a:5a:cc:f8:56:3d:
        79:06:2d:a0