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CVE-2026-5363

HIGH CVSS: 8.8 Published: 2026-04-16 Modified: 2026-06-17

Description

Inadequate Encryption Strength vulnerability in TP-Link Archer C7 v5 and v5.8 (uhttpd modules) allows Password Recovery Exploitation. The web interface encrypts the admin password client-side using RSA-1024 before sending it to the router during login.  An adjacent attacker with the ability to intercept network traffic could potentially perform a brute-force or factorization attack against the 1024-bit RSA key to recover the plaintext administrator password, leading to unauthorized access and compromise of the device configuration.  This issue affects Archer C7: through Build 20220715.

Affected Platforms

Tp-Link Archer C7Tp-Link Archer C7 Firmware

Weakness Type

CWE-326

References