CVE-2026-90689
highA security flaw has been discovered in Tenda W20E 15.11.0.61068_1546_841_CN_TDC.
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.
CVSS
8.8
8.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (cna@vuldb.com)
Timeline (UTC)
Published: 2026-09-14 07:17
Modified: 2026-09-14 20:56
NVD status: Deferred
Last synced 2 days ago
Verified against the source API 2026-10-27 06:52 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/Tenda/W20... cna@vuldb.com
- https://vuldb.com/cve/CVE-2026-90689 cna@vuldb.com
- https://vuldb.com/submit/914981 cna@vuldb.com
- https://vuldb.com/vuln/403222 cna@vuldb.com
- https://vuldb.com/vuln/403222/cti cna@vuldb.com
- https://www.tenda.com.cn/ cna@vuldb.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:52 UTC · record ↗