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Vulnerability record · CVE-2019-6972 · published 19 June 2019

CVE-2019-6972: Tp-link tl-wr1043nd firmware inadequate encryption strength vulnerability

Tp Link · Tl Wr1043nd Firmware

An issue was discovered on TP-Link TL-WR1043ND V2 devices. The credentials can be easily decoded and cracked by brute-force, WordList, or Rainbow Table attacks. Specifically, credentials in the "Authorization" cookie are encoded with URL encoding and base64, leading to easy decoding. Also, the username is cleartext, and the password is hashed with the MD5 algorithm (after decoding of the URL encoded string with base64).

7.5 CVSS 3.0 High EPSS 1.1% · top 35.3% CWE-326 · Inadequate encryption strength
7.5CVSS 3.0 base score, v2 5.0
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue was discovered on TP-Link TL-WR1043ND V2 devices. The credentials can be easily decoded and cracked by brute-force, WordList, or Rainbow Table attacks. Specifically, credentials in the "Authorization" cookie are encoded with URL encoding and base64, leading to easy decoding. Also, the username is cleartext, and the password is hashed with the MD5 algorithm (after decoding of the URL encoded string with base64).

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

Affected products

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

References

LinkTags
https://github.com/MalFuzzer/Vulnerability-Research/blob/master/TL-WR1043ND%20V2%20-%20TP-LINK/TL-WR1043ND_PoC.pdf ExploitThird Party Advisory
https://twitter.com/MalFuzzer/status/1141269335685652480?s=19 ExploitThird Party Advisory
https://github.com/MalFuzzer/Vulnerability-Research/blob/master/TL-WR1043ND%20V2%20-%20TP-LINK/TL-WR1043ND_PoC.pdf ExploitThird Party Advisory
https://twitter.com/MalFuzzer/status/1141269335685652480?s=19 ExploitThird Party Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2019-6972), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.