How severe is CVE-2018-20057?

CVE-2018-20057 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-2018-20057 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20057?

CVE-2018-20057 primarily affects D-link Dir-619l 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-2018-20057?

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-2018-20057 published?

CVE-2018-20057 was published on 2018-12-11 and last updated on 2026-06-17.

CVE-2018-20057

CVE-2018-20057 is a high-severity vulnerability in D-link Dir-619l 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: D-link Dir-619l Firmware
Published: 2018-12-11
Last modified: 2026-06-17

Description

An issue was discovered in /bin/boa on D-Link DIR-619L Rev.B 2.06B1 and DIR-605L Rev.B 2.12B1 devices. goform/formSysCmd allows remote authenticated users to execute arbitrary OS commands via the sysCmd POST parameter.

Frequently asked questions

What is CVE-2018-20057?: An issue was discovered in /bin/boa on D-Link DIR-619L Rev.B 2.06B1 and DIR-605L Rev.B 2.12B1 devices. goform/formSysCmd allows remote authenticated users to execute arbitrary OS commands via the sysCmd POST parameter.
How severe is CVE-2018-20057?: CVE-2018-20057 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-2018-20057 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20057?: CVE-2018-20057 primarily affects D-link Dir-619l 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-2018-20057?: 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-2018-20057 published?: CVE-2018-20057 was published on 2018-12-11 and last updated on 2026-06-17.

References

https://github.com/WhooAmii/whooamii.github.io/blob/master/2018/DIR-619%20command%20execution.md

Affected products (2)

cpe:2.3:o:d-link:dir-619l_firmware:2.06b1:*:*:*:*:*:*:*
cpe:2.3:o:d-link:dir-605l_firmware:2.12b1:*:*:*:*:*:*:*

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