CVE-2026-4490: high-severity vulnerability in Tenda A18 Pro
Tenda A18 Pro openSchedWifi setSchedWifi stack-based overflow
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.6%
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.
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
Affected products
Tenda · A18 ProRelated CVEs — Tenda A18 Pro
In the same product, most dangerous first.
CVE-2026-4492HIGHTenda A18 Pro formSetQosBand set_qosMib_list stack-based overflowEPSS 0.7%CVE-2026-4493HIGHTenda A18 Pro MAC Filtering Configuration Endpoint setMacFilterCfg sub_423B50 stack-based overflowEPSS 0.6%CVE-2026-4489HIGHTenda A18 Pro fast_setting_wifi_set form_fast_setting_wifi_set stack-based overflowEPSS 0.5%CVE-2026-4491HIGHTenda A18 Pro SetIpMacBind fromSetIpMacBind stack-based overflowEPSS 0.5%