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.

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: 0.004 (28.5th 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

cna@vuldb.com (VDB Entry, Third Party Advisory, vdb-entry)
cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
cna@vuldb.com (VDB Entry, Third Party Advisory, 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.