CVE-2026-16843: Hikvision Ds-3wap521-Si

High severity, CVSS 7.2. EPSS: 0.9% chance of exploitation in the next 30 days.

Some Hikvision Networking Products are vulnerable to authenticated command execution due to insufficient input validation. Attackers with valid credentials can exploit this flaw by sending crafted packets containing malicious commands to affected devices, leading to arbitrary command execution.

Affected products

• Hikvision Ds-3wap521-Si: up to and including V1.1.6601 build251223
• Hikvision Ds-3wap522-Si: up to and including V1.1.6601 build251223
• Hikvision Ds-3wap621e-Si: up to and including V1.1.6601 build251223
• Hikvision Ds-3wap622e-Si: up to and including V1.1.6601 build251223
• Hikvision Ds-3wap622g-Si: up to and including V1.1.6601 build251223
• Hikvision Ds-3wap623e-Si: up to and including V1.1.6601 build251223
• Hikvision Ds-3wg105g-Si: up to and including V1.1.6601 build251223
• Hikvision Ds-3wg105gp-Si: up to and including V1.1.6601 build251223
• Hikvision Ds-3wg210gp-Si: up to and including V1.1.6601 build251223
• Hikvision Ds-3wg507g-Si: up to and including V1.1.6601 build251223

Published 2026-07-31. Last modified 2026-08-28.