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Vulnerability record · CVE-2020-21936 · published 21 July 2021

CVE-2020-21936: Motorola cx2 firmware missing authentication for critical function vulnerability

MMotorola · Cx2 Firmware

An issue in HNAP1/GetMultipleHNAPs of Motorola CX2 router CX 1.0.2 Build 20190508 Rel.97360n allows attackers to access the components GetStationSettings, GetWebsiteFilterSettings and GetNetworkSettings without authentication.

5.3 CVSS 3.1 Medium EPSS 1.3% · top 31.4% CWE-306 · Missing authentication for critical function
5.3CVSS 3.1 base score, v2 5.0
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue in HNAP1/GetMultipleHNAPs of Motorola CX2 router CX 1.0.2 Build 20190508 Rel.97360n allows attackers to access the components GetStationSettings, GetWebsiteFilterSettings and GetNetworkSettings without authentication.

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

Affected products

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

References

LinkTags
https://github.com/cc-crack/router/blob/master/motocx2.md ExploitThird Party Advisory
https://l0n0l.xyz/post/motocx2/ ExploitThird Party Advisory
https://github.com/cc-crack/router/blob/master/motocx2.md ExploitThird Party Advisory
https://l0n0l.xyz/post/motocx2/ ExploitThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2020-21935Motorola cx2 firmware os command injection vulnerabilityA command injection vulnerability in HNAP1/GetNetworkTomographySettings of Motorola CX2 router CX 1.0.2 Build 20190508 Rel.97360n allows attackers to…EPSS 4.4%9.8CVE-2020-21937Motorola cx2 firmware os command injection vulnerabilityAn command injection vulnerability in HNAP1/SetWLanApcliSettings of Motorola CX2 router CX 1.0.2 Build 20190508 Rel.97360n allows attackers to execut…EPSS 4.8%9.8CVE-2019-12297Motorola cx2 firmware vulnerabilityAn issue was discovered in scopd on Motorola routers CX2 1.01 and M2 1.01. There is a Use of an Externally Controlled Format String, reachable via TC…EPSS 1.7%9.8CVE-2019-11322Motorola cx2 firmware os command injection vulnerabilityAn issue was discovered in Motorola CX2 1.01 and M2 1.01. There is a command injection in the function startRmtAssist in hnap, which leads to remote …EPSS 3.9%9.8CVE-2019-11320Motorola cx2 firmware vulnerabilityIn Motorola CX2 1.01 and M2 1.01, users can access the router's /priv_mgt.html web page to launch telnetd, as demonstrated by the 192.168.51.1 addres…EPSS 1.7%9.8CVE-2019-11319Motorola cx2 firmware os command injection vulnerabilityAn issue was discovered in Motorola CX2 1.01 and M2 1.01. There is a command injection in the function downloadFirmware in hnap, which leads to remot…EPSS 3.9%7.5CVE-2020-21933Motorola cx2 firmware sensitive information in log file vulnerabilityAn issue was discovered in Motorola CX2 router CX 1.0.2 Build 20190508 Rel.97360n where the admin password and private key could be found in the log …EPSS 1.5%7.5CVE-2020-21934Motorola cx2 firmware missing authentication for critical function vulnerabilityAn issue was discovered in Motorola CX2 router CX 1.0.2 Build 20190508 Rel.97360n where authentication to download the Syslog could be bypassed.EPSS 1.6%

Source: NIST National Vulnerability Database (record CVE-2020-21936), CISA KEV, FIRST EPSS (scores of 2026-10-09). This page is refreshed as NVD updates the record.