CVE-2020-14140
CVE-2020-14140 is a high-severity vulnerability in Mi Xiaomi Router Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (61st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-306
- Affected product: Mi Xiaomi Router Firmware
- Published:
- Last modified:
Description
When Xiaomi router firmware is updated in 2020, there is an unauthenticated API that can reveal WIFI password vulnerability. This vulnerability is caused by the lack of access control policies on some API interfaces. Attackers can exploit this vulnerability to enter the background and execute background command injection.
Frequently asked questions
- What is CVE-2020-14140?
- When Xiaomi router firmware is updated in 2020, there is an unauthenticated API that can reveal WIFI password vulnerability. This vulnerability is caused by the lack of access control policies on some API interfaces. Attackers can exploit this vulnerability to enter the background and execute background command injection.
- How severe is CVE-2020-14140?
- CVE-2020-14140 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2020-14140 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-14140?
- CVE-2020-14140 affects Mi Xiaomi Router Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-14140?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-14140 published?
- CVE-2020-14140 was published on 2023-03-29 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:mi:xiaomi_router_firmware:*:*:*:*:*:*:*:*
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