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CVE-2020-13856

24
FAUCET Score

CVE-2020-13856 describes an authentication bypass vulnerability in Mofi Network MOFI4500-4GXeLTE 4.0.8-std devices, allowing unauthorized download of a support file containing cleartext credentials and password hashes. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network without authentication, leading to a complete compromise of sensitive information. While no active exploitation or public exploit code has been identified, and community discussion is minimal, the potential for high impact due to unauthenticated access to credentials warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.8-stdCPE matchmatch criteria
cpe:2.3:o:mofinetwork:mofi4500-4gxelte_firmware:4.0.8-std:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.16%
Probability of exploitation in next 30 days
EPSS Percentile
64.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0116 is in the 42nd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

mofinetwork.com / index.php
PatchVendor Advisory
criticalstart.com / critical-vulnerabilities-discovered-in-mofi-routers
Technical DescriptionThird Party Advisory