How severe is CVE-2018-6414?

CVE-2018-6414 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-6414 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6414?

CVE-2018-6414 affects Hikvision Ip Cameras. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-6414?

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

When was CVE-2018-6414 published?

CVE-2018-6414 was published on 2018-08-13 and last updated on 2026-06-17.

CVE-2018-6414

CVE-2018-6414 is a critical-severity vulnerability in Hikvision Ip Cameras with a CVSS 3.x base score of 9.8. 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-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Hikvision Ip Cameras
Published: 2018-08-13
Last modified: 2026-06-17

Description

A buffer overflow vulnerability in the web server of some Hikvision IP Cameras allows an attacker to send a specially crafted message to affected devices. Due to the insufficient input validation, successful exploit can corrupt memory and lead to arbitrary code execution or crash the process.

Frequently asked questions

What is CVE-2018-6414?: A buffer overflow vulnerability in the web server of some Hikvision IP Cameras allows an attacker to send a specially crafted message to affected devices. Due to the insufficient input validation, successful exploit can corrupt memory and lead to arbitrary code execution or crash the process.
How severe is CVE-2018-6414?: CVE-2018-6414 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-6414 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6414?: CVE-2018-6414 affects Hikvision Ip Cameras. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6414?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-6414 published?: CVE-2018-6414 was published on 2018-08-13 and last updated on 2026-06-17.

References

https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-notification--buffer-overflow-vulnerability-in-some-hik/

Affected products (1)

cpe:2.3:h:hikvision:ip_cameras:-:*:*:*:*:*:*:*

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