CVE-2026-11504

Tenda CX12L Wi-Fi Schedule Configuration Endpoint openSchedWifi setSchedWifi stack-based overflow

Published Jun 8, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
A vulnerability was detected in Tenda CX12L 16.03.53.12. The impacted element is the function setSchedWifi of the file /goform/openSchedWifi of the component Wi-Fi Schedule Configuration Endpoint. Performing a manipulation of the argument schedStartTime/schedEndTime results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.

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
First Time appeared Tenda cx12l
Vendors & Products Tenda cx12l
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description A vulnerability was detected in Tenda CX12L 16.03.53.12. The impacted element is the function setSchedWifi of the file /goform/openSchedWifi of the component Wi-Fi Schedule Configuration Endpoint. Performing a manipulation of the argument schedStartTime/schedEndTime results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.
Title Tenda CX12L Wi-Fi Schedule Configuration Endpoint openSchedWifi setSchedWifi stack-based overflow
First Time appeared Tenda
Tenda cx12l Firmware
Weaknesses CWE-119
CWE-121
CPEs cpe:2.3:o:tenda:cx12l_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tenda
Tenda cx12l Firmware
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, 'vector': '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:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Jun 8, 2026, 12:57 PM
Reserved
Jun 7, 2026, 2:01 PM
Status
Deferred
Published
Jun 8, 2026, 12:16 PM
Modified
Jul 23, 2026, 7:10 AM