HOMEVULNERABILITIESCVE-2020-14100
CRITICAL

CVE-2020-14100

CWE-77Published: September 11, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

In Xiaomi router R3600 ROM version<1.0.66, filters in the set_WAN6 interface can be bypassed, causing remote code execution. The router administrator can gain root access from this vulnerability.

NVD Source

Technical Analysis

CVE-2020-14100 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.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

mi2 product(s)
r3600 firmwarer3600
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

ADVISORYhttps://privacy.mi.com/trust#/security/vulnerability-management/vulnerability-announcement/detail?id=20&locale=en
ADVISORYhttps://privacy.mi.com/trust#/security/vulnerability-management/vulnerability-announcement/detail?id=20&locale=en

All References (2)

→
https://privacy.mi.com/trust#/security/vulnerability-management/vulnerability-announcement/detail?id=20&locale=enVendor Advisory
→
https://privacy.mi.com/trust#/security/vulnerability-management/vulnerability-announcement/detail?id=20&locale=enVendor Advisory

Quick Facts

CVE IDCVE-2020-14100
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-77
CISA KEVNo
Affected1 vendor(s)
PublishedSep 11, 2020

Related CVEs (CWE-77)

CVE-2013-2810
10.0
CVE-2015-3408
10.0
CVE-2015-5082
10.0
CVE-2015-6912
10.0
CVE-2014-9682
10.0
CVE-2017-7876
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-14100 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.
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