How severe is CVE-2019-3405?

CVE-2019-3405 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2019-3405 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3405?

CVE-2019-3405 affects 360 360f5 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-3405?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-3405 published?

CVE-2019-3405 was published on 2021-01-11 and last updated on 2026-06-17.

CVE-2019-3405

CVE-2019-3405 is a medium-severity vulnerability in 360 360f5 Firmware with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: 360 360f5 Firmware
Published: 2021-01-11
Last modified: 2026-06-17

Description

In the 3.1.3.64296 and lower version of 360F5, the third party can trigger the device to send a deauth frame by constructing and sending a specific illegal 802.11 Null Data Frame, which will cause other wireless terminals connected to disconnect from the wireless, so as to attack the router wireless by DoS. At present, the vulnerability has been effectively handled, and users can fix the vulnerability after updating the firmware version.

Frequently asked questions

What is CVE-2019-3405?: In the 3.1.3.64296 and lower version of 360F5, the third party can trigger the device to send a deauth frame by constructing and sending a specific illegal 802.11 Null Data Frame, which will cause other wireless terminals connected to disconnect from the wireless, so as to attack the router wireless by DoS. At present, the vulnerability has been effectively handled, and users can fix the vulnerability after updating the firmware version.
How severe is CVE-2019-3405?: CVE-2019-3405 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2019-3405 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3405?: CVE-2019-3405 affects 360 360f5 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-3405?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-3405 published?: CVE-2019-3405 was published on 2021-01-11 and last updated on 2026-06-17.

References

https://security.360.cn/News/news/id/246

Affected products (1)

cpe:2.3:o:360:360f5_firmware:*:*:*:*:*:*:*:*