How severe is CVE-2016-1491?

CVE-2016-1491 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-1491 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1491?

CVE-2016-1491 affects Lenovo Shareit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-1491?

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-2016-1491 published?

CVE-2016-1491 was published on 2016-01-26 and last updated on 2026-06-17.

CVE-2016-1491

CVE-2016-1491 is a high-severity vulnerability in Lenovo Shareit with a CVSS 3.x base score of 8.8. 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-255.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 5.4
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Lenovo Shareit
Published: 2016-01-26
Last modified: 2026-06-17

Description

The Wifi hotspot in Lenovo SHAREit before 3.2.0 for Windows, when configured to receive files, has a hardcoded password of 12345678, which makes it easier for remote attackers to obtain access by leveraging a position within the WLAN coverage area.

Frequently asked questions

What is CVE-2016-1491?: The Wifi hotspot in Lenovo SHAREit before 3.2.0 for Windows, when configured to receive files, has a hardcoded password of 12345678, which makes it easier for remote attackers to obtain access by leveraging a position within the WLAN coverage area.
How severe is CVE-2016-1491?: CVE-2016-1491 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-1491 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1491?: CVE-2016-1491 affects Lenovo Shareit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-1491?: 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-2016-1491 published?: CVE-2016-1491 was published on 2016-01-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:lenovo:shareit:*:*:*:*:*:windows:*:*

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CVE-2016-4783 — Medium (CVSS 6.1): Cross-site scripting (XSS) vulnerability in Lenovo SHAREit before 3.5.98_ww on Android before 4.4 allows remote…
CVE-2016-1492 — Medium (CVSS 6.1): The Wifi hotspot in Lenovo SHAREit before 3.5.48_ww for Android, when configured to receive files, does not require a…
CVE-2016-1490 — Medium (CVSS 4.1): The Wifi hotspot in Lenovo SHAREit before 3.2.0 for Windows allows remote attackers to obtain sensitive file names via…

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