How severe is CVE-2026-3828?

CVE-2026-3828 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-3828 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-3828?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-3828 have an EU (EUVD) identifier?

Yes. CVE-2026-3828 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28908.

When was CVE-2026-3828 published?

CVE-2026-3828 was published on 2026-05-09 and last updated on 2026-06-17.

CVE-2026-3828

CVE-2026-3828 is a high-severity vulnerability with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28908
Weakness: CWE-78
Published: 2026-05-09
Last modified: 2026-06-17

Description

Some Hikvision switch products (discontinued since December 2023) are vulnerable to authenticated remote 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.

Frequently asked questions

What is CVE-2026-3828?: Some Hikvision switch products (discontinued since December 2023) are vulnerable to authenticated remote 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.
How severe is CVE-2026-3828?: CVE-2026-3828 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-3828 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-3828?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-3828 have an EU (EUVD) identifier?: Yes. CVE-2026-3828 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28908.
When was CVE-2026-3828 published?: CVE-2026-3828 was published on 2026-05-09 and last updated on 2026-06-17.

References

https://www.hikvision.com/en/support/cybersecurity/security-advisory/command-execution-vulnerability-in-some-hikvision-switch-product/

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