How severe is CVE-2018-18698?

CVE-2018-18698 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-18698 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-2018-18698?

CVE-2018-18698 affects Mi Xiaomi Mi-a1 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18698?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-18698 published?

CVE-2018-18698 was published on 2018-12-24 and last updated on 2026-06-17.

CVE-2018-18698

CVE-2018-18698 is a critical-severity vulnerability in Mi Xiaomi Mi-a1 Firmware with a CVSS 3.x base score of 9.8. 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-522.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Mi Xiaomi Mi-a1 Firmware
Published: 2018-12-24
Last modified: 2026-06-17

Description

An issue was discovered on Xiaomi Mi A1 tissot_sprout:8.1.0/OPM1.171019.026/V9.6.4.0.ODHMIFE devices. They store cleartext Wi-Fi passwords in logcat during the process of setting up the phone as a hotspot.

Frequently asked questions

What is CVE-2018-18698?: An issue was discovered on Xiaomi Mi A1 tissot_sprout:8.1.0/OPM1.171019.026/V9.6.4.0.ODHMIFE devices. They store cleartext Wi-Fi passwords in logcat during the process of setting up the phone as a hotspot.
How severe is CVE-2018-18698?: CVE-2018-18698 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-18698 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-2018-18698?: CVE-2018-18698 affects Mi Xiaomi Mi-a1 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18698?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-18698 published?: CVE-2018-18698 was published on 2018-12-24 and last updated on 2026-06-17.

References

https://github.com/0x5h1v4m/CVE-ID-s/blob/master/CVE-2018-18698/MI%20A1.txt

Affected products (1)

cpe:2.3:o:mi:xiaomi_mi-a1_firmware:-:*:*:*:*:*:*:*

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