MEDIUM
CVE-2020-21936
CWE-306Published: July 21, 2021· Updated: Jun 17, 2026
5.3
CVSS v3.1
Official 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.
Technical Analysis
CVE-2020-21936 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Vendors & Products
motorola2 product(s)
cx2 firmwarecx2
Source: NVD CPE · 2 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (4)
→
https://github.com/cc-crack/router/blob/master/motocx2.mdExploit · Third Party Advisory
→
https://l0n0l.xyz/post/motocx2/Exploit · Third Party Advisory
→
https://github.com/cc-crack/router/blob/master/motocx2.mdExploit · Third Party Advisory
→
https://l0n0l.xyz/post/motocx2/Exploit · Third Party Advisory
Quick Facts
CVE IDCVE-2020-21936
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-306
CISA KEVNo
Affected1 vendor(s)
PublishedJul 21, 2021
Related CVEs (CWE-306)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-21936 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.