{"cve":"CVE-2019-19825","nvd":{"published":"2020-01-27T17:15:12.167","modified":"2026-06-17T02:27:18.410","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-287"],"references":["http://packetstormsecurity.com/files/156083/Realtek-SDK-Information-Disclosure-Code-Execution.html","http://seclists.org/fulldisclosure/2020/Jan/36","http://seclists.org/fulldisclosure/2020/Jan/38","https://sploit.tech","http://packetstormsecurity.com/files/156083/Realtek-SDK-Information-Disclosure-Code-Execution.html"],"products":["totolink:a3002ru_firmware","totolink:a702r_firmware","totolink:n100re_firmware","totolink:n150rt_firmware","totolink:n200re_firmware","totolink:n300rt_firmware","totolink:n301rt_firmware","totolink:n302r_firmware"],"source":"nvd","synced_at":"2026-10-19T21:01:01.339895972+00:00"},"epss":{"cve":"CVE-2019-19825","score":0.29557,"percentile":0.98188,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}