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CVE-2020-14099

19
FAUCET Score

CVE-2020-14099 describes a critical vulnerability in Xiaomi AX1800 and RM1800 routers where hard-coded encryption keys are used for user backup files, potentially exposing sensitive data like user passwords. This vulnerability carries a CVSS v3.1 score of 7.5 (HIGH), indicating a high impact on confidentiality with low attack complexity and no user interaction required. While no active exploitation, public exploit code, or significant community discussion has been observed, the use of hard-coded keys (CWE-798) presents a clear security risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.336CPE matchmatch criteria
cpe:2.3:o:mi:ax1800_firmware:*:*:*:*:*:*:*:*
< 1.0.26CPE matchmatch criteria
cpe:2.3:o:mi:rm1800_firmware:*:*:*:*:*:*:*:*

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
0.60%
Probability of exploitation in next 30 days
EPSS Percentile
45.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0060 is in the 22nd percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

privacy.mi.com / trust
Vendor Advisory