RCE in Hikvision Ds-3wap521-Si
CVE-2026-16843
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.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.005 (38.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Hikvision Ds-3wap521-si — versions V1.1.6601 build251223 and earlier
- Hikvision Ds-3wap522-si — versions V1.1.6601 build251223 and earlier
- Hikvision Ds-3wap621e-si — versions V1.1.6601 build251223 and earlier
- Hikvision Ds-3wap622e-si — versions V1.1.6601 build251223 and earlier
- Hikvision Ds-3wap622g-si — versions V1.1.6601 build251223 and earlier
- Hikvision Ds-3wap623e-si — versions V1.1.6601 build251223 and earlier
- Hikvision Ds-3wg105gp-si — versions V1.1.6601 build251223 and earlier
- Hikvision Ds-3wg105g-si — versions V1.1.6601 build251223 and earlier
- Hikvision Ds-3wg210gp-si — versions V1.1.6601 build251223 and earlier
- Hikvision Ds-3wg507g-si — versions V1.1.6601 build251223 and earlier
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-16843?
- CVE-2026-16843 is a high-severity vulnerability in Hikvision Ds-3wap521-Si, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-07-31.
- How severe is CVE-2026-16843?
- High severity. CVSS v3 base score is 7.2 out of 10.