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.
References
Link | Resource |
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http://packetstormsecurity.com/files/156083/Realtek-SDK-Information-Disclosure-Code-Execution.html | Third Party Advisory VDB Entry |
http://seclists.org/fulldisclosure/2020/Jan/36 | Mailing List Third Party Advisory |
http://seclists.org/fulldisclosure/2020/Jan/38 | Mailing List Third Party Advisory |
https://sploit.tech | Exploit Third Party Advisory |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Configuration 3 (hide)
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Configuration 4 (hide)
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History
No history.
Information
Published : 2020-01-27 17:15
Updated : 2020-02-05 14:35
NVD link : CVE-2019-19825
Mitre link : CVE-2019-19825
CVE.ORG link : CVE-2019-19825
JSON object : View
Products Affected
totolink
- a3002ru
- n301rt
- a702r
- n302r
- n200re
- n150rt
- n100re
- n302r_firmware
- a702r_firmware
- a3002ru_firmware
- n150rt_firmware
- n100re_firmware
- n300rt
- n301rt_firmware
- n300rt_firmware
- n200re_firmware
CWE
CWE-287
Improper Authentication