CVE-2026-123966criticalCWE-119CWE-122

CVE-2026-123966: critical vulnerability in Tenda AC19

Tenda AC19 saveParentControlInfo heap-based overflow

Published

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

45Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 10
A vulnerability was determined in Tenda AC19 16.03.10.07. Affected by this issue is the function saveParentControlInfo of the file /goform/saveParentControlInfo. This manipulation of the argument deviceId causes heap-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
Affected products
Tenda · AC19
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