Medium 6.5Published Sep 14, 2026

CVE-2026-90688Tenda W20E HTTP formIPMacBindAdd stack-based overflow

Updated under an hour ago (2026-10-19 07:10 UTC)

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Every CVE for Tenda W20E

Exploited in the last 30 days

A vulnerability was identified in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. This issue affects the function formIPMacBindAdd of the component HTTP Handler. Such manipulation of the argument IPMacBindRule leads to stack-based buffer overflow. It is possible to launch the attack remotely.

CVSS: 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:X/RL:X/RC:R
Weakness (CWE): CWE-121, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Sep 15, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Tenda W20E tenda:w20e_firmware	15.11.0.61068_1546_841_CN_TDC	CNA record

References

https://vuldb.com/vuln/403221vdb-entry, technical-description
https://vuldb.com/vuln/403221/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-90688third-party-advisory
https://vuldb.com/submit/914958third-party-advisory
https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/Tenda/W20E/formIPMacBindAdd/README.mdrelated
https://www.tenda.com.cn/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.