Buffer overflow in Tenda W20e
CVE-2026-19824
A weakness has been identified in Tenda W20E 15.11.0.6(1068_1546_841)_CN_TDC. The affected element is the function ipMacBindListStore of the file /goform/addIpMacBind. Executing a manipulation of the argument IPMacBindRule can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.
Vulnerability class: Buffer Overflow
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 W20e — versions 15.11.0.6(1068_1546_841)_CN_TDC
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (exploit)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-19824?
- CVE-2026-19824 is a high-severity vulnerability in Tenda W20e, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-08-14.
- How severe is CVE-2026-19824?
- High severity. CVSS v3 base score is 8.8 out of 10.