Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV N L N L N H H H 7.4 .0047 38.6 —
AFFECTED Product Versions Fixed AC12 15.03.06.23_multi_TD01 – —
TIMELINE Aug 14 Reserved by VulDB Aug 14 Published (CNA: VulDB) Aug 18 EXPLOIT PUBLISHED — CVE-2026-19821 (Tenda AC12). Public exploit reference added.
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.
| Date | Event | Detail |
|---|---|---|
| August 14, 2026 | Reserved | Reserved by VulDB |
| August 14, 2026 | Published | Published (CNA: VulDB) |
| August 18, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-19821 (Tenda AC12). Public exploit reference added. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| Tenda | AC12 | — | 15.03.06.23_multi_TD01 | — |
Authoritative record: CVE-2026-19821 at cve.org
Vendors: tenda
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-19821 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.