MEDIUM
CVE-2023-28811
CWE-120Published: November 23, 2023· Updated: Jun 17, 2026
6.5
CVSS v3.1
Official Description
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.
Technical Analysis
CVE-2023-28811 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
hikvision79 product(s)
nvr-216mh-c\(d\) firmwarenvr-216mh-c\(d\)nvr-216mh-c\/16p\(d\) firmwarenvr-216mh-c\/16p\(d\)nvr-208mh-c\/8p\(d\) firmwarenvr-208mh-c\/8p\(d\)nvr-104mh-c\/4p\(d\) firmwarenvr-104mh-c\/4p\(d\)nvr-104mh-c\(d\) firmwarenvr-104mh-c\(d\)nvr-108mh-c\(d\) firmwarenvr-108mh-c\(d\)+67
Source: NVD CPE · 79 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories
All References (2)
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Quick Facts
CVE IDCVE-2023-28811
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-120
CISA KEVNo
Affected1 vendor(s)
PublishedNov 23, 2023
Related CVEs (CWE-120)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-28811 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.