CVE-2019-6972: tp-link tl-wr1043nd_firmware Inadequate Encryption Strength

Vulnerability summary

CVE-2019-6972 is a high (CVSS 7.5) Inadequate Encryption Strength vulnerability in tp-link tl-wr1043nd_firmware. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.7% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 19-06-2019
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

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).

• CWE-326Inadequate Encryption StrengthThe product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.