How severe is CVE-2019-16412?

CVE-2019-16412 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 none, integrity none, and availability high.

Is CVE-2019-16412 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16412?

CVE-2019-16412 affects Tendacn N301 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16412?

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-2019-16412 published?

CVE-2019-16412 was published on 2019-09-19 and last updated on 2026-06-17.

CVE-2019-16412

CVE-2019-16412 is a high-severity vulnerability in Tendacn N301 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Tendacn N301 Firmware
Published: 2019-09-19
Last modified: 2026-06-17

Description

In goform/setSysTools on Tenda N301 wireless routers, attackers can trigger a device crash via a zero wanMTU value. (Prohibition of this zero value is only enforced within the GUI.)

Frequently asked questions

What is CVE-2019-16412?: In goform/setSysTools on Tenda N301 wireless routers, attackers can trigger a device crash via a zero wanMTU value. (Prohibition of this zero value is only enforced within the GUI.)
How severe is CVE-2019-16412?: CVE-2019-16412 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 none, integrity none, and availability high.
Is CVE-2019-16412 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16412?: CVE-2019-16412 affects Tendacn N301 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16412?: 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-2019-16412 published?: CVE-2019-16412 was published on 2019-09-19 and last updated on 2026-06-17.

References

https://github.com/Gr3gPr1est/BugReport/blob/master/CVE-2019-16412.pdf

Affected products (1)

cpe:2.3:o:tendacn:n301_firmware:-:*:*:*:*:*:*:*

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