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Vulnerability record · CVE-2018-20675 · published 9 January 2019

CVE-2018-20675: Dlink dir-822 firmware improper authentication vulnerability

Dlink · Dir 822 Firmware

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 authentication bypass.

9.8 CVSS 3.1 Critical EPSS 1.8% · top 21.9% CWE-287 · Improper authentication
9.8CVSS 3.1 base score, v2 7.5
1.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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 authentication bypass.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-17621D-Link DIR-859 UPnP gena.cgi unauthenticated command injectionThe UPnP endpoint /gena.cgi on D-Link DIR-859 firmware 1.05 and 1.06B01 Beta01 fails to sanitize input in an HTTP SUBSCRIBE request, allowing OS comm…KEVEPSS 90%analysed9.8CVE-2018-6530D-Link DIR router soap.cgi OS command injectionsoap.cgi (soapcgi_main in cgibin) on several D-Link DIR router models fails to sanitize the service parameter, allowing OS command injection. The fla…KEVEPSS 97%analysed9.8CVE-2023-51984Dlink dir-822 firmware os command injection vulnerabilityD-Link DIR-822+ V1.0.2 was found to contain a command injection in SetStaticRouteSettings function. allows remote attackers to execute arbitrary comm…EPSS 2.0%9.8CVE-2023-51987Dlink dir-822 firmware missing authentication for critical function vulnerabilityD-Link DIR-822+ V1.0.2 contains a login bypass in the HNAP1 interface, which allows attackers to log in to administrator accounts with empty password…EPSS 0.92%9.8CVE-2023-49004Dlink dir-850l firmware code injection vulnerabilityAn issue in D-Link DIR-850L v.B1_FW223WWb01 allows a remote attacker to execute arbitrary code via a crafted script to the en parameter.EPSS 1.9%9.8CVE-2017-14948Dlink dir-868l firmware classic buffer overflow vulnerabilityCertain D-Link products are affected by: Buffer Overflow. This affects DIR-880L 1.08B04 and DIR-895 L/R 1.13b03. The impact is: execute arbitrary cod…EPSS 4.9%9.8CVE-2018-19987D-link dir-818lw firmware os command injection vulnerabilityD-Link DIR-822 Rev.B 202KRb06, DIR-822 Rev.C 3.10B06, DIR-860L Rev.B 2.03.B03, DIR-868L Rev.B 2.05B02, DIR-880L Rev.A 1.20B01_01_i3se_BETA, and DIR-8…EPSS 13%9.8CVE-2018-19989D-link dir-822 firmware os command injection vulnerabilityIn the /HNAP1/SetQoSSettings message, the uplink parameter is vulnerable, and the vulnerability affects D-Link DIR-822 Rev.B 202KRb06 and DIR-822 Rev…EPSS 5.5%

Source: NIST National Vulnerability Database (record CVE-2018-20675), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.