CVE-2026-123966

critical

Description

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.

References

https://www.tenda.com.cn/

https://vuldb.com/vuln/432038/cti

https://vuldb.com/vuln/432038

https://vuldb.com/submit/1035173

https://vuldb.com/cve/CVE-2026-123966

https://github.com/Tmzop/Tenda-AC19-saveParentControlInfo/blob/main/report.md

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-119293

Details

Source: Mitre, NVD

Published: 2026-11-07

Updated: 2026-11-07

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 10

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 10

Vector: 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

Severity: Critical