How severe is CVE-2018-20674?

CVE-2018-20674 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-2018-20674 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20674?

CVE-2018-20674 primarily affects Dlink Dir-822 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-20674?

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-2018-20674 published?

CVE-2018-20674 was published on 2019-01-09 and last updated on 2026-06-17.

CVE-2018-20674

CVE-2018-20674 is a high-severity vulnerability in Dlink Dir-822 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.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Dlink Dir-822 Firmware
Published: 2019-01-09
Last modified: 2026-06-17

Description

D-Link DIR-822 C1 before v3.11B01Beta, DIR-822-US C1 before v3.11B01Beta, DIR-850L A* before v1.21B08Beta, DIR-850L B* before v2.22B03Beta, and DIR-880L A* before v1.20B02Beta devices allow authenticated remote command execution.

Frequently asked questions

What is CVE-2018-20674?: D-Link DIR-822 C1 before v3.11B01Beta, DIR-822-US C1 before v3.11B01Beta, DIR-850L A* before v1.21B08Beta, DIR-850L B* before v2.22B03Beta, and DIR-880L A* before v1.20B02Beta devices allow authenticated remote command execution.
How severe is CVE-2018-20674?: CVE-2018-20674 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-2018-20674 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20674?: CVE-2018-20674 primarily affects Dlink Dir-822 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-20674?: 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-2018-20674 published?: CVE-2018-20674 was published on 2019-01-09 and last updated on 2026-06-17.

References

https://securityadvisories.dlink.com/announcement/publication.aspx?name=SAP10101

Affected products (6)

cpe:2.3:o:dlink:dir-822_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-822-us_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-850l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-850l_firmware:2.22b02:beta:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-880l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-880l_firmware:1.20b01:beta:*:*:*:*:*:*

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