TOTOLINK A702r Firmware -

On certain TOTOLINK Realtek SDK based routers, the CAPTCHA text can be retrieved via an {"topicurl":"setting/getSanvas"} POST to the boafrm/formLogin URI, leading to a CAPTCHA bypass. (Also, the CAPTCHA text is not needed once the attacker has determined valid credentials. The attacker can perform router actions via HTTP requests with Basic Authentication.) This affects A3002RU through 2.0.0, A702R through 2.1.3, N301RT through 2.1.6, N302R through 3.4.0, N300RT through 3.4.0, N200RE through 4.0.0, N150RT through 3.4.0, and N100RE through 3.4.0.

On certain TOTOLINK Realtek SDK based routers, an authenticated attacker may execute arbitrary OS commands via the sysCmd parameter to the boafrm/formSysCmd URI, even if the GUI (syscmd.htm) is not available. This allows for full control over the device's internals. This affects A3002RU through 2.0.0, A702R through 2.1.3, N301RT through 2.1.6, N302R through 3.4.0, N300RT through 3.4.0, N200RE through 4.0.0, N150RT through 3.4.0, N100RE through 3.4.0, and N302RE 2.0.2.

TOTOLINK A702R HTTP POST Request formWlanMultipleAP buffer overflow

TOTOLINK A702R HTTP POST Request formOneKeyAccessButton buffer overflow

TOTOLINK A702R HTTP POST Request formIpv6Setup buffer overflow

TOTOLINK A702R/A3002R/A3002RU/EX1200T HTTP POST Request formIPv6Addr buffer overflow

TOTOLINK A702R HTTP POST Request formFilter buffer overflow

TOTOLINK A702R HTTP POST Request formPortFw buffer overflow

TOTOLINK A702R HTTP POST Request formIpQoS buffer overflow

TOTOLINK A702R HTTP POST Request formSysLog buffer overflow

TOTOLINK A702R HTTP POST Request formWlSiteSurvey buffer overflow

TOTOLINK A702R HTTP POST Request formParentControl buffer overflow

TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formWlanRedirect buffer overflow

TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formSetLg buffer overflow

TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formDosCfg buffer overflow

TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formSiteSurveyProfile buffer overflow

TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formNtp buffer overflow

TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formSysCmd buffer overflow

TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formReflashClientTbl submit-url buffer overflow

TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formWsc buffer overflow

TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formDMZ buffer overflow

TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formWirelessTbl buffer overflow

TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formSaveConfig buffer overflow

TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formStats sub_40BE30 buffer overflow

TOTOLINK A702R formParentControl sub_418030 buffer overflow

TOTOLINK A702R formOneKeyAccessButton sub_4466F8 buffer overflow

TOTOLINK A702R formFilter sub_4162DC buffer overflow

TOTOLINK A702R formIpQoS sub_419BE0 buffer overflow

TOTOLINK A702R formFilter sub_4162DC buffer overflow

A certain router administration interface (that includes Realtek APMIB 0.11f for Boa 0.94.14rc21) allows remote attackers to retrieve the configuration, including sensitive data (usernames and passwords). This affects TOTOLINK A3002RU through 2.0.0, A702R through 2.1.3, N301RT through 2.1.6, N302R through 3.4.0, N300RT through 3.4.0, N200RE through 4.0.0, N150RT through 3.4.0, and N100RE through 3.4.0; Rutek RTK 11N AP through 2019-12-12; Sapido GR297n through 2019-12-12; CIK TELECOM MESH ROUTER through 2019-12-12; KCTVJEJU Wireless AP through 2019-12-12; Fibergate FGN-R2 through 2019-12-12; Hi-Wifi MAX-C300N through 2019-12-12; HCN MAX-C300N through 2019-12-12; T-broad GN-866ac through 2019-12-12; Coship EMTA AP through 2019-12-12; and IO-Data WN-AC1167R through 2019-12-12.

A certain router administration interface (that includes Realtek APMIB 0.11f for Boa 0.94.14rc21) stores cleartext administrative passwords in flash memory and in a file. This affects TOTOLINK A3002RU through 2.0.0, A702R through 2.1.3, N301RT through 2.1.6, N302R through 3.4.0, N300RT through 3.4.0, N200RE through 4.0.0, N150RT through 3.4.0, and N100RE through 3.4.0; Rutek RTK 11N AP through 2019-12-12; Sapido GR297n through 2019-12-12; CIK TELECOM MESH ROUTER through 2019-12-12; KCTVJEJU Wireless AP through 2019-12-12; Fibergate FGN-R2 through 2019-12-12; Hi-Wifi MAX-C300N through 2019-12-12; HCN MAX-C300N through 2019-12-12; T-broad GN-866ac through 2019-12-12; Coship EMTA AP through 2019-12-12; and IO-Data WN-AC1167R through 2019-12-12.

Directory Indexing in Login Portal of Login Portal of TOTOLINK-A702R-V1.0.0-B20161227.1023 allows attacker to access /icons/ directories via GET Parameter.