How severe is CVE-2019-12786?

CVE-2019-12786 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-12786 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12786?

CVE-2019-12786 primarily affects Dlink Dir-818lw Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-12786?

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-2019-12786 published?

CVE-2019-12786 was published on 2019-06-10 and last updated on 2026-06-17.

CVE-2019-12786

CVE-2019-12786 is a high-severity vulnerability in Dlink Dir-818lw Firmware 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-77.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Dlink Dir-818lw Firmware
Published: 2019-06-10
Last modified: 2026-06-17

Description

An issue was discovered on D-Link DIR-818LW devices from 2.05.B03 to 2.06B01 BETA. There is a command injection in HNAP1 SetWanSettings via an XML injection of the value of the IPAddress key.

Frequently asked questions

What is CVE-2019-12786?: An issue was discovered on D-Link DIR-818LW devices from 2.05.B03 to 2.06B01 BETA. There is a command injection in HNAP1 SetWanSettings via an XML injection of the value of the IPAddress key.
How severe is CVE-2019-12786?: CVE-2019-12786 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-12786 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12786?: CVE-2019-12786 primarily affects Dlink Dir-818lw Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-12786?: 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-2019-12786 published?: CVE-2019-12786 was published on 2019-06-10 and last updated on 2026-06-17.

References

https://github.com/TeamSeri0us/pocs/blob/master/iot/dlink/dir818-protected.pdf

Affected products (2)

cpe:2.3:o:dlink:dir-818lw_firmware:2.05.b03:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-818lw_firmware:2.06b01:beta:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-818lw Firmware

CVE-2018-20114 — Critical (CVSS 9.8): On D-Link DIR-818LW Rev.A 2.05.B03 and DIR-860L Rev.B 2.03.B03 devices, unauthenticated remote OS command execution can…
CVE-2019-13482 — High (CVSS 8.8): An issue was discovered on D-Link DIR-818LW devices with firmware 2.06betab01. There is a command injection in HNAP1…
CVE-2019-13481 — High (CVSS 8.8): An issue was discovered on D-Link DIR-818LW devices with firmware 2.06betab01. There is a command injection in HNAP1…
CVE-2019-12787 — High (CVSS 8.8): An issue was discovered on D-Link DIR-818LW devices from 2.05.B03 to 2.06B01 BETA. There is a command injection in…
CVE-2025-7553 — Medium (CVSS 4.7): A vulnerability classified as critical has been found in D-Link DIR-818LW up to 20191215. This affects an unknown part…
CVE-2025-9003 — Low (CVSS 3.5): A vulnerability has been found in D-Link DIR-818LW 1.04. This vulnerability affects unknown code of the file…

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