A vulnerability in the TP-Link Archer c20 router with firmware version V6.6_230412 and earlier permits unauthorized individuals to bypass the authentication of some interfaces under the /cgi directory. When adding Referer: http://tplinkwifi.net to the the request, it will be recognized as passing the authentication. NOTE: this is disputed by the Supplier because the response to the API call is only "non-sensitive UI initialization variables."

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Fixes

Solution

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Workaround

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History

Thu, 12 Feb 2026 05:45:00 +0000

Type Values Removed Values Added
Description A vulnerability in the TP-Link Archer c20 router with firmware version V6.6_230412 and earlier permits unauthorized individuals to bypass the authentication of some interfaces under the /cgi directory. When adding Referer: http://tplinkwifi.net to the the request, it will be recognized as passing the authentication. A vulnerability in the TP-Link Archer c20 router with firmware version V6.6_230412 and earlier permits unauthorized individuals to bypass the authentication of some interfaces under the /cgi directory. When adding Referer: http://tplinkwifi.net to the the request, it will be recognized as passing the authentication. NOTE: this is disputed by the Supplier because the response to the API call is only "non-sensitive UI initialization variables."

Fri, 06 Jun 2025 18:15:00 +0000

Type Values Removed Values Added
First Time appeared Tp-link
Tp-link archer C20
Tp-link archer C20 Firmware
CPEs cpe:2.3:h:tp-link:archer_c20:6.6:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:archer_c20_firmware:6.6_230412:*:*:*:*:*:*:*
Vendors & Products Tp-link
Tp-link archer C20
Tp-link archer C20 Firmware

Wed, 19 Feb 2025 15:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-287
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 18 Feb 2025 15:00:00 +0000

Type Values Removed Values Added
Description A vulnerability in the TP-Link Archer c20 router with firmware version V6.6_230412 and earlier permits unauthorized individuals to bypass the authentication of some interfaces under the /cgi directory. When adding Referer: http://tplinkwifi.net to the the request, it will be recognized as passing the authentication.
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-02-12T05:03:22.325Z

Reserved: 2025-01-09T00:00:00.000Z

Link: CVE-2024-57049

cve-icon Vulnrichment

Updated: 2025-02-19T14:49:49.326Z

cve-icon NVD

Status : Modified

Published: 2025-02-18T15:15:16.890

Modified: 2026-02-12T06:16:00.430

Link: CVE-2024-57049

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses