CVE-2026-90688

Tenda W20E HTTP formIPMacBindAdd stack-based overflow

Published Sep 14, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Tenda w20e
Vendors & Products Tenda w20e
Type Values Removed Values Added
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.
Title Tenda W20E HTTP formIPMacBindAdd stack-based overflow
First Time appeared Tenda
Tenda w20e Firmware
Weaknesses CWE-119
CWE-121
CPEs cpe:2.3:o:tenda:w20e_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tenda
Tenda w20e Firmware
References
Metrics cvssV2_0

{'score': 6.8, 'vector': 'AV:N/AC:L/Au:S/C:N/I:N/A:C/E:ND/RL:ND/RC:UR'}

cvssV3_0

{'score': 6.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:X/RL:X/RC:R'}

cvssV3_1

{'score': 6.5, 'vector': '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'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Sep 15, 2026, 3:57 PM
Reserved
Sep 13, 2026, 5:01 AM
Status
Deferred
Published
Sep 14, 2026, 7:17 AM
Modified
Sep 15, 2026, 4:17 PM