CVE-2020-14140Network attack vector

Wi-Fi password disclosure via unauthenticated API

Published Mar 29, 2023 · Updated Feb 18, 2025

Missing authentication in Xiaomi Router Firmware with 2020 through 2022 updates allows remote attackers to read Wi-Fi passwords via an API. Affected management API interfaces omit access-control checks before returning stored wireless credentials and granting backend access. No authentication or user interaction is required; Xiaomi has not identified the affected device models or API paths.

CVSS severity7.5
High
EPSS probability0.99%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authentication in Xiaomi Router Firmware with 2020 through 2022 updates allows remote attackers to read Wi-Fi passwords via an API. Affected management API interfaces omit access-control checks before returning stored wireless credentials and granting backend access. No authentication or user interaction is required; Xiaomi has not identified the affected device models or API paths.

The record

CVE
CVE-2020-14140
Published
Mar 29, 2023
Updated
Feb 18, 2025
Vendor
Xiaomi Corporation
Product
Xiaomi Router Firmware
Classifications
CWE-306, T1555
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 29, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 18, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Xiaomi Multiple Devices, firmware update time in 2020-2022

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Xiaomi Corporation · Xiaomi Router Firmwareversion=Xiaomi Multiple Devices, firmware update time in 2020-2022

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
T1555Credentials from Password Stores

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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