Vulnerability Description
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.
CVSS Score
HIGH
Related Weaknesses (CWE)
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
- https://www.tenda.com.cn/
FAQ
What is CVE-2026-19821?
CVE-2026-19821 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 manag...
How severe is CVE-2026-19821?
CVE-2026-19821 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-19821?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.