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Vulnerability record · CVE-2019-19822 · published 27 January 2020

CVE-2019-19822: Totolink a3002ru firmware missing authentication for critical function vulnerability

TTotolink · A3002ru Firmware

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.

7.5 CVSS 3.1 High EPSS 8.7% · top 5.1% CWE-306 · Missing authentication for critical function
7.5CVSS 3.1 base score, v2 5.0
8.7%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

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.

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.

References

LinkTags
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.

7.5CVE-2019-19823Totolink a3002ru firmware insufficiently protected credentials vulnerabilityA certain router administration interface (that includes Realtek APMIB 0.11f for Boa 0.94.14rc21) stores cleartext administrative passwords in flash …EPSS 6.4%8.8CVE-2026-67277MikroTik RouterOS btest missing authentication leaks kernel memory and crashes kernelRouterOS accepts a "related" btest connection before the primary session is authenticated, letting an unauthenticated client start an IPv4 UDP test. …KEVEPSS 1.6%analysed8.8CVE-2026-59822LiteLLM MCP endpoint auth bypass via OAuth2 passthrough fallbackLiteLLM's MCP Streamable HTTP endpoint, prior to 1.84.0, let an unauthenticated attacker send a fabricated Authorization header that triggered an OAu…KEVEPSS 0.84%analysed9.3CVE-2026-72529TrueConf Server missing authentication allows remote script executionTrueConf Server versions 5.3.X through 5.3.9, 5.4.X through 5.4.9, 5.5.X through 5.5.5, and earlier expose an undocumented function on port 4307/TCP …KEVEPSS 1.5%analysed9.8CVE-2026-46817Oracle E-Business Suite Payments missing authentication allows takeoverOracle Payments in Oracle E-Business Suite 12.2.3 through 12.2.15 contains an easily exploitable flaw in the File Transmission component. An unauthen…KEVEPSS 0.81%analysed9.8CVE-2026-56164Microsoft SharePoint Server missing authentication allows privilege elevationMicrosoft Office SharePoint Server contains a missing authentication flaw in a critical function (CWE-306), letting an unauthenticated attacker reach…KEVEPSS 1.0%analysed9.8CVE-2026-20253Splunk Enterprise PostgreSQL sidecar missing authentication allows file writesSplunk Enterprise 10.2 below 10.2.4 and 10.x below 10.0.7 expose a PostgreSQL sidecar service endpoint that lacks authentication controls. Any networ…KEVEPSS 97%analysed9.8CVE-2026-35273Oracle PeopleSoft PeopleTools missing authentication allows takeoverOracle PeopleSoft Enterprise PeopleTools (Updates Environment Management component) in versions 8.61 and 8.62 is missing authentication for a critica…KEVEPSS 9.4%analysed

Source: NIST National Vulnerability Database (record CVE-2019-19822), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.