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Vulnerability record · CVE-2018-17881 · published 3 October 2018

CVE-2018-17881: D-link dir-823g firmware weak password recovery vulnerability

D Link · Dir 823g Firmware

On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 SetPasswdSettings commands without authentication to trigger an admin password change.

9.8 CVSS 3.0 Critical EPSS 1.5% · top 26.7% CWE-640 · Weak password recovery
9.8CVSS 3.0 base score, v2 5.0
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 SetPasswdSettings commands without authentication to trigger an admin password change.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
https://xz.aliyun.com/t/2834#toc-5 ExploitThird Party Advisory
https://xz.aliyun.com/t/2834#toc-5 ExploitThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2019-7297D-link dir-823g firmware os command injection vulnerabilityAn issue was discovered on D-Link DIR-823G devices with firmware through 1.02B03. A command Injection vulnerability allows attackers to execute arbit…EPSS 12%9.8CVE-2018-17786D-link dir-823g firmware improper authentication vulnerabilityOn D-Link DIR-823G devices, ExportSettings.sh, upload_settings.cgi, GetDownLoadSyslog.sh, and upload_firmware.cgi do not require authentication, whic…EPSS 4.1%9.8CVE-2018-17787D-link dir-823g firmware os command injection vulnerabilityOn D-Link DIR-823G devices, the GoAhead configuration allows /HNAP1 Command Injection via shell metacharacters in the POST data, because this data is…EPSS 3.7%7.5CVE-2018-17880D-link dir-823g firmware missing authentication for critical function vulnerabilityOn D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 RunReboot commands without authentication to trigger a reboot.EPSS 1.6%9.8CVE-2023-7028GitLab CE/EE password reset sent to unverified email, enabling account takeoverGitLab CE/EE versions from 16.1 through 16.7 before their fixed releases could deliver account password reset emails to an unverified email address. …KEVEPSS 95%analysed

Source: NIST National Vulnerability Database (record CVE-2018-17881), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.