Buffer overflow in Tenda I12
CVE-2026-4041
A security flaw has been discovered in Tenda i12 1.0.0.6(2204). Impacted is the function vos_strcpy of the file /goform/exeCommand. The manipulation of the argument cmdinput results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
Vulnerability class: Buffer Overflow
EPSS: 0.008 (51.3th 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 I12 — versions 1.0.0.6(2204)
- Tenda I12_firmware — versions 1.0.0.6\(2204\)
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 (issue-tracking, Exploit, Third Party Advisory, exploit, Issue Tracking)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2026-4041?
- CVE-2026-4041 is a high-severity vulnerability in Tenda I12, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-03-12.
- How severe is CVE-2026-4041?
- High severity. CVSS v3 base score is 8.8 out of 10.