Buffer overflow in Tenda F453
CVE-2026-3166
A vulnerability was identified in Tenda F453 1.0.0.3. The affected element is the function fromRouteStatic of the file /goform/RouteStatic of the component httpd. Such manipulation of the argument page leads to buffer overflow. The attack can be launched remotely. The exploit is publicly available and might be used.
Vulnerability class: Buffer Overflow
EPSS: 0.006 (46.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tenda F453 — versions 1.0.0.3
- Tenda F453_firmware — versions 1.0.0.3
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, 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 (Exploit, Third Party Advisory, exploit)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2026-3166?
- CVE-2026-3166 is a high-severity vulnerability in Tenda F453, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-02-25.
- How severe is CVE-2026-3166?
- High severity. CVSS v3 base score is 8.8 out of 10.