CVE-2026-90689CWE-119CWE-121

CVE-2026-90689

High · published September 14, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
57.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
8.7 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X
EPSS
0.00854 · 57.9th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-09-14T11:17Z
References (6)
https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/Tenda/W20E/formDelWebAuthWhiteUser/README.md · [email protected]https://vuldb.com/cve/CVE-2026-90689 · [email protected]https://vuldb.com/submit/914981 · [email protected]https://vuldb.com/vuln/403222 · [email protected]https://vuldb.com/vuln/403222/cti · [email protected]https://www.tenda.com.cn/ · [email protected]
EPSS history
Timeline
  • 15 SEP 03:22Z
    EPSS moved — → 1%
    epss
  • 14 SEP 06:15Z
    Tenda W20E formDelWebAuthWhiteUser stack-based overflow
    cvelistv5