CVE-2026-4490

HIGH

Tenda A18 Pro openSchedWifi setSchedWifi stack-based overflow

Title source: cna
STIX 2.1

Description

A flaw has been found in Tenda A18 Pro 02.03.02.28. This issue affects the function setSchedWifi of the file /goform/openSchedWifi. This manipulation causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-352016 | Tenda A18 Pro openSchedWifi setSchedWifi stack-based overflow
https://vuldb.com/?id.352016
Signature, Permissions Required signature permissions-required
VDB-352016 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/?ctiid.352016
Third Party Advisory third-party-advisory
Submit #773670 | Tenda A18pro V02.03.02.28 Stack-based Buffer Overflow
https://vuldb.com/?submit.773670
Exploit exploit issue-tracking
https://github.com/lilukun337/cve/issues/2
Product product
https://www.tenda.com.cn/

Scores

CVSS v3 8.8
EPSS 0.0057
EPSS Percentile 42.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-121
Status published
Products (1)
Tenda/A18 Pro 02.03.02.28
Published Mar 20, 2026
Tracked Since Mar 20, 2026