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Vulnerability record · CVE-2019-16327 · published 26 December 2019

CVE-2019-16327: Dlink dir-601 firmware improper authentication vulnerability

Dlink · Dir 601 Firmware

D-Link DIR-601 B1 2.00NA devices are vulnerable to authentication bypass. They do not check for authentication at the server side and rely on client-side validation, which is bypassable. NOTE: this is an end-of-life product.

9.8 CVSS 3.1 Critical EPSS 1.8% · top 22.3% CWE-287 · Improper authentication
9.8CVSS 3.1 base score, v2 7.5
1.8%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

D-Link DIR-601 B1 2.00NA devices are vulnerable to authentication bypass. They do not check for authentication at the server side and rely on client-side validation, which is bypassable. NOTE: this is an end-of-life product.

CVSS:3.1/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://0x62626262.wordpress.com/2019/12/24/dlink-dir-601-router-authentication-bypass-and-csrf/ ExploitThird Party Advisory
https://0x62626262.wordpress.com/2019/12/24/dlink-dir-601-router-authentication-bypass-and-csrf/ ExploitThird Party Advisory

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Related vulnerabilities

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

8.8CVE-2019-16326Dlink dir-601 firmware cross-site request forgery vulnerabilityD-Link DIR-601 B1 2.00NA devices have CSRF because no anti-CSRF token is implemented. A remote attacker could exploit this in conjunction with CVE-20…EPSS 0.64%8.1CVE-2018-10641Dlink dir-601 firmware improper authentication vulnerabilityD-Link DIR-601 A1 1.02NA devices do not require the old password for a password change, which occurs in cleartext.EPSS 1.8%8.0CVE-2018-12710D-Link DIR-601 router leaks admin password in XML responseOn D-Link DIR-601 2.02NA devices, a low-privilege "User" account can intercept the response to a POST request and read the admin password, which is r…EPSS 77%analysed8.0CVE-2018-5708Dlink dir-601 firmware insufficiently protected credentials vulnerabilityAn issue was discovered on D-Link DIR-601 B1 2.02NA devices. Being on the same local network as, but being unauthenticated to, the administrator's pa…EPSS 6.0%5.0CVE-2011-4821Dlink dir-601 firmware path traversal vulnerabilityDirectory traversal vulnerability in the TFTP server in D-Link DIR-601 Wireless N150 Home Router with firmware 1.02NA allows remote attackers to read…EPSS 2.1%7.5CVE-2026-42018JFrog Artifactory improper authentication leaks anonymous tokenJFrog Artifactory can return an internal anonymous-user token to an unauthenticated caller even when anonymous access is disabled. Because the token …KEVEPSS 9.8%analysed9.8CVE-2026-82329JFrog Artifactory improper authentication allows admin takeoverJFrog Artifactory contains an improper authentication weakness (CWE-287) that, under default configuration, may let an unauthenticated attacker with …KEVEPSS 14%analysed8.8CVE-2026-59822LiteLLM MCP endpoint auth bypass via OAuth2 passthrough fallbackLiteLLM's MCP Streamable HTTP endpoint, prior to 1.84.0, let an unauthenticated attacker send a fabricated Authorization header that triggered an OAu…KEVEPSS 0.84%analysed

Source: NIST National Vulnerability Database (record CVE-2019-16327), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.