CVE-2026-19821

HIGH 8.8

Tenda AC12 httpd web management interface SetSysAutoRebbotCfg formSetRebootTimer buffer overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-120 CWE-119
Vendor	tenda
Product	ac12
Published	Aug 14, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Tenda / AC12

15.03.06.23_multi_TD01

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 stksgg (VulDB User)