CVE-2026-90688

Tenda W20E HTTP formIPMacBindAdd stack-based overflow

MEDIUM
6.5
CVSS Score
Published: September 14, 2026 at 06:00 AM UTC
Updated: September 15, 2026 at 04:17 PM UTC
1 product affected across 1 vendorW20E Firmware

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.7%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/403221
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403221/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-90688
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/914958
Product
Source: cverecord
https://www.tenda.com.cn/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-121CWE-119

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