HOMEVULNERABILITIESCVE-2020-13858
CRITICAL

CVE-2020-13858

CWE-798Published: February 1, 2021· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

An issue was discovered on Mofi Network MOFI4500-4GXeLTE 3.6.1-std and 4.0.8-std devices. They contain two undocumented administrator accounts. The sftp and mofidev accounts are defined in /etc/passwd and the password is not unique across installations.

NVD Source

Technical Analysis

CVE-2020-13858 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

mofinetwork2 product(s)
mofi4500-4gxelte firmwaremofi4500-4gxelte
Source: NVD CPE · 3 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

PATCHhttps://mofinetwork.com/index.php?main_page=page&id=14
PATCHhttps://mofinetwork.com/index.php?main_page=page&id=14
ADVISORYhttps://www.criticalstart.com/critical-vulnerabilities-discovered-in-mofi-routers/
ADVISORYhttps://www.criticalstart.com/critical-vulnerabilities-discovered-in-mofi-routers/

All References (4)

→
https://mofinetwork.com/index.php?main_page=page&id=14Patch · Vendor Advisory
→
https://www.criticalstart.com/critical-vulnerabilities-discovered-in-mofi-routers/Technical Description · Third Party Advisory
→
https://mofinetwork.com/index.php?main_page=page&id=14Patch · Vendor Advisory
→
https://www.criticalstart.com/critical-vulnerabilities-discovered-in-mofi-routers/Technical Description · Third Party Advisory

Quick Facts

CVE IDCVE-2020-13858
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-798
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 1, 2021

Related CVEs (CWE-798)

CVE-2007-1063
10.0
CVE-2017-2343
10.0
CVE-2025-7503
10.0
CVE-2025-20309
10.0
CVE-2012-6428
10.0
CVE-2025-42890
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-13858 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. CVE data is provided under the NVD usage policy.
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