Privilege escalation in Tenda 4g03 Pro
CVE-2026-5526
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 attac…
EPSS: 0.001 (17.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Tenda 4g03 Pro — versions 1.0, 1.1, 04.03.01.0
- Tenda 4g03_pro — versions 1.0
- Tenda 4g03_pro_firmware — versions 04.03.01.53
Weakness classification (CWE)
References
- VDB-355279 | Tenda 4G03 Pro httpd access control (Third Party Advisory, VDB Entry, vdb-entry)
- VDB-355279 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #782052 | Tenda Tenda 4G03 Pro V1.0 V04.03.01.53 Authentication Bypass Issues (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2026-5526?
- CVE-2026-5526 is a high-severity vulnerability in Tenda 4g03 Pro, classified under Incorrect Privilege Assignment. CVSS score: 7.3/10. Published 2026-04-04.
- How severe is CVE-2026-5526?
- High severity. CVSS v3 base score is 7.3 out of 10.