CVE-2026-19821

7.4 highEPSS 0.9%

High (7.4). EPSS 0.9% chance of exploitation in the next 30 days.

A vulnerability was determined in Tenda AC12 15.03.06.23_multi_TD01. This vulnerability affects the function formSetRebootTimer of the file /goform/SetSysAutoRebbotCfg of the component httpd web management interface. This manipulation of the argument rebootTime causes buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.

Severity

CVSS 4.0

7.4 high

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

CVSS 3.1

8.8 high

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

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-11-01)
CWEs: CWE-119, CWE-120
Published: 2026-08-14
Modified: 2026-08-18
Record from: the NVD, synced 2026-10-19

References

https://github.com/lipenghai/iot_bug/blob/main/Tenda/AC12/4.md
https://vuldb.com/cve/CVE-2026-19821
https://vuldb.com/submit/868922
https://vuldb.com/vuln/389954
https://vuldb.com/vuln/389954/cti

Check your stack JSON