How severe is CVE-2020-13784?

CVE-2020-13784 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 high, integrity none, and availability none.

Is CVE-2020-13784 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13784?

CVE-2020-13784 affects Dlink Dir-865l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13784?

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-2020-13784 published?

CVE-2020-13784 was published on 2020-06-03 and last updated on 2026-06-17.

CVE-2020-13784

CVE-2020-13784 is a high-severity vulnerability in Dlink Dir-865l 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-335.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-335
Affected product: Dlink Dir-865l Firmware
Published: 2020-06-03
Last modified: 2026-06-17

Description

D-Link DIR-865L Ax 1.20B01 Beta devices have a predictable seed in a Pseudo-Random Number Generator.

Frequently asked questions

What is CVE-2020-13784?: D-Link DIR-865L Ax 1.20B01 Beta devices have a predictable seed in a Pseudo-Random Number Generator.
How severe is CVE-2020-13784?: CVE-2020-13784 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 high, integrity none, and availability none.
Is CVE-2020-13784 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13784?: CVE-2020-13784 affects Dlink Dir-865l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13784?: 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-2020-13784 published?: CVE-2020-13784 was published on 2020-06-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-865l_firmware:1.20b01:*:*:*:*:*:*:*

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CVE-2020-13782 — High (CVSS 8.8): D-Link DIR-865L Ax 1.20B01 Beta devices allow Command Injection.
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