How severe is CVE-2018-3898?

CVE-2018-3898 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-3898 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3898?

CVE-2018-3898 affects Yitechnology Yi Home Camera Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-3898?

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-2018-3898 published?

CVE-2018-3898 was published on 2018-11-02 and last updated on 2026-06-17.

CVE-2018-3898

CVE-2018-3898 is a high-severity vulnerability in Yitechnology Yi Home Camera 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.1
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Yitechnology Yi Home Camera Firmware
Published: 2018-11-02
Last modified: 2026-06-17

Description

An exploitable code execution vulnerability exists in the QR code scanning functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted QR Code can cause a buffer overflow, resulting in code execution. The trans_info call can overwrite a buffer of size 0x104, which is more than enough to overflow the return address from the ssid_dst field.

Frequently asked questions

What is CVE-2018-3898?: An exploitable code execution vulnerability exists in the QR code scanning functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted QR Code can cause a buffer overflow, resulting in code execution. The trans_info call can overwrite a buffer of size 0x104, which is more than enough to overflow the return address from the ssid_dst field.
How severe is CVE-2018-3898?: CVE-2018-3898 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-3898 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3898?: CVE-2018-3898 affects Yitechnology Yi Home Camera Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-3898?: 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-2018-3898 published?: CVE-2018-3898 was published on 2018-11-02 and last updated on 2026-06-17.

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0571

Affected products (1)

cpe:2.3:o:yitechnology:yi_home_camera_firmware:1.8.7.0d:*:*:*:*:*:*:*

More vulnerabilities in Yitechnology Yi Home Camera Firmware

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CVE-2018-3900 — High (CVSS 8.8): An exploitable code execution vulnerability exists in the QR code scanning functionality of Yi Home Camera 27US…
CVE-2018-3892 — High (CVSS 8.1): An exploitable firmware downgrade vulnerability exists in the time syncing functionality of Yi Home Camera 27US…
CVE-2018-3947 — High (CVSS 8.1): An exploitable information disclosure vulnerability exists in the phone-to-camera communications of Yi Home Camera 27US…
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CVE-2018-3935 — High (CVSS 7.5): An exploitable code execution vulnerability exists in the UDP network functionality of Yi Home Camera 27US 1.8.7.0D. A…

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