CVE-2026-16843 Command injection in DS-3WAP521-SI
Authenticated attackers can execute arbitrary commands on Hikvision networking devices via crafted packets due to insufficient input validation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-16843?
CVE-2026-16843 is a high-severity command injection vulnerability in Hikvision DS-3WAP521-SI, published on 31 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Weakness: CWE-78
Which versions are affected by CVE-2026-16843?
How do I fix CVE-2026-16843?
No fix has been published for CVE-2026-16843 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-16843 being exploited?
There is no known exploitation of CVE-2026-16843 in the wild and no public exploit code.
Sources
Also known as GHSA-9f46-w698-g5q9.