CVE-2026-19821: high-severity vulnerability in Tenda AC12
Tenda AC12 httpd web management interface SetSysAutoRebbotCfg formSetRebootTimer buffer overflow
Published · Updated
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.7epss 0.9%
exploitation probability
0.9%top 43% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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: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
Affected products
Tenda · AC12public PoCs found — 1
cve_referencegithub.com/lipenghai/iot_bug/blob/main/Tenda/AC12/4.mdunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.