Buffer overflow in Tenda Cx12l
CVE-2026-5684
A vulnerability was determined in Tenda CX12L 16.03.53.12. Affected by this issue is the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter. Executing a manipulation of the argument page can lead to stack-based buff…
Vulnerability class: Buffer Overflow
EPSS: 0.002 (39.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tenda Cx12l — versions 16.03.53.12
- Tenda Cx12l_firmware — versions 16.03.53.12
Weakness classification (CWE)
References
- VDB-355511 | Tenda CX12L webExcptypemanFilter fromwebExcptypemanFilter stack-based overflow (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-355511 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #792781 | Tenda CX12L V16.03.53.12 Stack-based Buffer Overflow (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, Third Party Advisory, exploit, Mitigation, Issue Tracking)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2026-5684?
- CVE-2026-5684 is a high-severity vulnerability in Tenda Cx12l, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.0/10. Published 2026-04-06.
- How severe is CVE-2026-5684?
- High severity. CVSS v3 base score is 8.0 out of 10.