4g03 Pro Firmware CVEs and Security Vulnerabilities

CVE-2026-5526

Tenda 4G03 Pro httpd access control

A security flaw has been discovered in Tenda 4G03 Pro up to 1.0/1.1/04.03.01.53/192.168.0.1. Affected by this vulnerability is an unknown functionality of the file /bin/httpd. The manipulation results in improper access controls. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed

Vendors

Tenda

Products

4g03 Pro 4g03 Pro Firmware

CVE-2026-5527

Tenda 4G03 Pro ECDSA P-256 Private Key server.key hard-coded key

A weakness has been identified in Tenda 4G03 Pro 1.0/1.0re/01.bin/04.03.01.53. Affected by this issue is some unknown functionality of the file /etc/www/pem/server.key of the component ECDSA P-256 Private Key Handler. This manipulation causes use of hard-coded cryptographic key . It is possible to initiate the attack remotely.