Vulnerability record · CVE-2019-19823 · published 27 January 2020

CVE-2019-19823: Totolink a3002ru firmware insufficiently protected credentials vulnerability

TTotolink · A3002ru Firmware

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.

7.5 CVSS 3.1 High EPSS 6.4% · top 6.5% CWE-522 · Insufficiently protected credentials

7.5CVSS 3.1 base score, v2 5.0

6.4%EPSS exploitation probability, 30 days

NoNot in CISA KEV

18Affected product versions listed by NVD

12References, 6 tagged exploit

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

18 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Mesh Router Firmware Ciktel

Emta Ap Firmwre Coship FFgn R2 Firmware Fg Products HHcn Max C300n Firmware Hcn Max C300n Project

Max C300n Firmware Hiwifi IWn Ac1167r Firmwre Iodata KWireless Ap Firmware Kctvjeju RRtk 11n Ap Firmware Realtek SGr297n Firmware Sapido TGn 866ac Firmware Tbroad TA3002ru Firmware Totolink TA702r Firmware Totolink TN100re Firmware Totolink TN150rt Firmware Totolink TN200re Firmware Totolink TN300rt Firmware Totolink TN301rt Firmware Totolink TN302r Firmware Totolink

References

Link	Tags
http://opensource.actiontec.com/sourcecode/wcb3000x/wecb3000n_gpl_0.16.8.4.tgz	ExploitThird Party Advisory
http://packetstormsecurity.com/files/156083/Realtek-SDK-Information-Disclosure-Code-Execution.html	ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2020/Jan/36	Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2020/Jan/38	ExploitMailing ListThird Party Advisory
https://github.com/Saturn49/wecb/blob/755ce19a493c78270c04b5aaf39664f0cddbb420/rtl819x/users/boa/apmib/apmib.h#L13	Third Party Advisory
https://sploit.tech	Third Party Advisory
http://opensource.actiontec.com/sourcecode/wcb3000x/wecb3000n_gpl_0.16.8.4.tgz	ExploitThird Party Advisory
http://packetstormsecurity.com/files/156083/Realtek-SDK-Information-Disclosure-Code-Execution.html	ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2020/Jan/36	Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2020/Jan/38	ExploitMailing ListThird Party Advisory
https://github.com/Saturn49/wecb/blob/755ce19a493c78270c04b5aaf39664f0cddbb420/rtl819x/users/boa/apmib/apmib.h#L13	Third Party Advisory
https://sploit.tech	Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-19823), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.