Buffer overflow in Tenda F456
CVE-2026-7029
A weakness has been identified in Tenda F456 1.0.0.5. The impacted element is the function fromaddressNat of the file /goform/addressNat. Executing a manipulation of the argument menufacturer/Go can lead to buffer overflow. The attack may…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (25.8th 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 F456 — versions 1.0.0.5
- Tenda F456_firmware — versions 1.0.0.5
Weakness classification (CWE)
References
- VDB-359609 | Tenda F456 addressNat fromaddressNat buffer overflow (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-359609 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #798450 | Tenda F456 v1.0.0.5 Stack-based Buffer Overflow (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2026-7029?
- CVE-2026-7029 is a high-severity vulnerability in Tenda F456, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-04-26.
- How severe is CVE-2026-7029?
- High severity. CVSS v3 base score is 8.8 out of 10.