CVE-2023-28811

There is a buffer overflow in the password recovery feature of Hikvision NVR/DVR models. If...

7.4 High

CVE-2023-28811 is a high vulnerability (CVSS 7.4) in Hikvision Ds-7104ni-q1\(c\) Firmware, published November 23, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 33rd percentile. No source names a fixed version.

There is a buffer overflow in the password recovery feature of Hikvision NVR/DVR models. If exploited, an attacker on the same local area network (LAN) could cause the device to malfunction by sending specially crafted packets to an unpatched device.

Attack profile

How easy it is to exploit

Attack vector: Adjacent network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.39%Up 0.3 points since Nov 23, 2023

What each source reports

CVE List Score used 7.4

Record: CVE-2023-28811
CVSS 3.1: 7.4 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Updated: 2026-11-02

EUVDEUVD-2023-32446 7.4

Record: EUVD-2023-32446
CVSS 3.1: 7.4 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-qjf5-f5cf-qf5j 7.4

There is a buffer overflow in the password recovery feature of Hikvision NVR/DVR models. If...

Record: GHSA-qjf5-f5cf-qf5j
CVSS 3.1: 7.4 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Weakness: CWE-120
Updated: 2026-11-02

NVD 7.4

Record: CVE-2023-28811
CVSS 3.1: 7.4 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-120
Updated: 2026-11-02

Affected products

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History

History
When	Changed	Sources
2026-11-03	aliases, published	EUVD
2026-11-02	created	CVE List, GitHub Advisories, NVD