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9.8
Tenda W20E Router Uncontrolled Memory Copy
CVE-2026-24114
Summary
An outdated version of the Tenda W20E router has a security flaw that could allow an attacker to potentially crash the device or execute malicious code. This issue affects the router's ability to safely handle certain network requests. To protect your network, update your router to the latest firmware version.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| tenda | w20e_firmware | 15.11.0.6 | – |
Original title
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Failure to validate `pPortMapIndex` may lead to buffer overflows when using `strcpy`.
Original description
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Failure to validate `pPortMapIndex` may lead to buffer overflows when using `strcpy`.
nvd CVSS3.1
9.8
Vulnerability type
CWE-120
Classic Buffer Overflow
- https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2026-24114 Exploit Third Party Advisory
- https://www.tenda.com.cn/material/show/2707 Product
Published: 2 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026