CVE-2026-24115

EUVD-2026-9187
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Failure to validate the sizes of `gstup` and `gstdwn` before concatenating them into `gstruleQos` may lead to buffer overflow.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
tendaw20e_firmware
15.11.0.6
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2026-24115
https://www.tenda.com.cn/material/show/2707