CVE-2026-90689

HIGH 8.8

Tenda W20E formDelWebAuthWhiteUser stack-based overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

A security flaw has been discovered in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. Impacted is the function formDelWebAuthWhiteUser. Performing a manipulation of the argument webAuthWhiteUserIndex results in stack-based buffer overflow. The attack can be initiated remotely.

CWE	CWE-121 CWE-119
Vendor	tenda
Product	w20e
Published	Sep 14, 2026
Last Updated	Sep 14, 2026

Stay Ahead of the Next One

Get instant alerts for tenda w20e

Be the first to know when new high vulnerabilities affecting tenda w20e are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Tenda / W20E

15.11.0.61068_1546_841_CN_TDC

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/403222 vuldb.com: https://vuldb.com/vuln/403222/cti vuldb.com: https://vuldb.com/cve/CVE-2026-90689 vuldb.com: https://vuldb.com/submit/914981 github.com: https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/Tenda/W20E/formDelWebAuthWhiteUser/README.md tenda.com.cn: https://www.tenda.com.cn/

Credits

🔍 AmaIIl (VulDB User)