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CVE-2023-28811

20
FAUCET Score

CVE-2023-28811 describes a buffer overflow vulnerability in the password recovery feature of Hikvision NVR/DVR models. An attacker on the same local area network can exploit this by sending specially crafted packets, leading to device malfunction. Rated 6.5 MEDIUM, this vulnerability has a low attack complexity and requires no user interaction, but only impacts availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.1.60CPE matchmatch criteria
cpe:2.3:o:hikvision:nvr-216mh-c\(d\)_firmware:*:*:*:*:*:*:*:*
< 4.1.60CPE matchmatch criteria
cpe:2.3:o:hikvision:nvr-216mh-c\/16p\(d\)_firmware:*:*:*:*:*:*:*:*
< 4.1.60CPE matchmatch criteria
cpe:2.3:o:hikvision:nvr-208mh-c\/8p\(d\)_firmware:*:*:*:*:*:*:*:*
< 4.1.60CPE matchmatch criteria
cpe:2.3:o:hikvision:nvr-104mh-c\/4p\(d\)_firmware:*:*:*:*:*:*:*:*
< 4.1.60CPE matchmatch criteria
cpe:2.3:o:hikvision:nvr-104mh-c\(d\)_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.4HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
32.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 49th percentile among its peer group of 1,802 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

hikvision.com / en/support/cybersecurity/security-advisory/buffer-overflow-vulnerability-in-hikvision-nvr-dvr-devices
PatchVendor Advisory