CVE-2026-5363
HighSummary
The vulnerability in TP-Link Archer C7 v5 and v5.8 (uhttpd modules) related to inadequate encryption strength allows for password recovery exploitation. The web interface encrypts the admin password client-side using RSA-1024 before sending it to the router during login.
Risk Assessment
An attacker with access to network traffic could perform a brute-force or factorization attack against the RSA key, potentially leading to unauthorized access and compromise of the device configuration.
Recommendation
It is recommended to update the router's firmware to the latest version to patch this vulnerability and consider using stronger encryption methods.
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Original NVD description (English source)
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.