CVE-2025-66177

Summary

CVECVE-2025-66177
StatePUBLISHED
Assignerhikvision
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-01-13 03:16:01 UTC
Updated2026-07-09 07:16:22 UTC
DescriptionThere is a Buffer overflow Vulnerability in the device Search and Discovery feature of Hikvision NVR/DVR/CVR/IPC 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.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

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

EPSS: 0.003230000 probability, percentile 0.242630000 (date 2026-07-13)

Problem Types: CWE-121 | CWE-121 CWE-121 Stack-based Buffer Overflow


VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.8HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS8.8HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Hikvision DS-96xxxNI-Hx affected Build date before 250807 Not specified
CNA Hikvision DS-96xxxNI-Ix affected Build date before 250807 Not specified
CNA Hikvision DS-96xxNXI-Sx affected Build date before 250807 Not specified
CNA Hikvision DS-96xxxNXI-Sx affected Build date before 250807 Not specified
CNA Hikvision DS-76xxNXI-Mx/VPro affected Build date before 250807 Not specified
CNA Hikvision DS-96xxNXI-Mx/VPro affected Build date before 250807 Not specified
CNA Hikvision DS-76xxNI-Mx affected Build date before 250807 Not specified
CNA Hikvision DS-77xxNI-Mx affected Build date before 250807 Not specified
CNA Hikvision DS-96xxNXI-Mx affected Build date before 250807 Not specified
CNA Hikvision DS-96xxxNXI-Mx affected Build date before 250807 Not specified
CNA Hikvision DS-86xxxNXI-Mx affected Build date before 250807 Not specified
CNA Hikvision DS-76xxNXI-Ix/S affected Build date before 250807 Not specified
CNA Hikvision DS-77xxNXI-Ix/S affected Build date before 250807 Not specified
CNA Hikvision DS-86xxNXI-Ix/S affected Build date before 250807 Not specified
CNA Hikvision DS-96xxNXI-Ix/S affected Build date before 250807 Not specified
CNA Hikvision DS-76xxNXI-Ix/VPro affected Build date before 250807 Not specified
CNA Hikvision DS-77xxNXI-Ix/VPro affected Build date before 250807 Not specified
CNA Hikvision DS-76xxNXI-Kx/xP IncludingDEB affected Build date before 250807 Not specified
CNA Hikvision DS-77xxNXI-Kx/xP IncludingDEB affected Build date before 250807 Not specified
CNA Hikvision DS-76xxNXI-Kx/xP/Vpro affected Build date before 250807 Not specified
CNA Hikvision DS-77xxNXI-Kx/xP/Vpro affected Build date before 250807 Not specified
CNA Hikvision DS-76xxNI-Qx/xP IncludingDE affected Build date before 250807 Not specified
CNA Hikvision DS-71xxNI-Q1/xP/M affected Build date before 250807 Not specified
CNA Hikvision DS-71xxNI-Q1/xP affected Build date before 250807 Not specified
CNA Hikvision DS-710xNI-G1/xP/M affected Build date before 250807 Not specified
CNA Hikvision DS-71xxNI-Q1/xP affected Build date before 250807 Not specified
CNA Hikvision DS-71xxNI-Q1/xP/M affected Build date before 250807 Not specified
CNA Hikvision DS-76xxNI-Q1/xP affected Build date before 250807 Not specified
CNA Hikvision DS-76xxNI-Q2/xP affected Build date before 250807 Not specified
CNA Hikvision DS-76xxNXI-K1/xP affected Build date before 250807 Not specified
CNA Hikvision DS-76xxNXI-K2/xP affected Build date before 250807 Not specified
CNA Hikvision DS-77xxNXI-K4/xP affected Build date before 250807 Not specified
CNA Hikvision DS-86xxNXI-K8/xP affected Build date before 250807 Not specified
CNA Hikvision DS-76xxNXI-K1/xP/VPro affected Build date before 250807 Not specified
CNA Hikvision DS-76xxNXI-K2/xP/VPro affected Build date before 250807 Not specified
CNA Hikvision DS-77xxNXI-K4/xP/VPro affected Build date before 250807 Not specified
CNA Hikvision IDS-71xxHGHI-M1/T affected Build date before 250807 Not specified
CNA Hikvision IDS-72xxHGHI-M1/T affected Build date before 250807 Not specified
CNA Hikvision IDS-71xxHQHI-M1/T affected Build date before 250807 Not specified
CNA Hikvision IDS-72xxHQHI-M1/T affected Build date before 250807 Not specified
CNA Hikvision IDS-72xxHQHI-Mx/XT affected Build date before 250807 Not specified
CNA Hikvision IDS-72xxHUHI-Mx/XT affected Build date before 250807 Not specified
CNA Hikvision IDS-72xxHTHI-Mx/XT affected Build date before 250807 Not specified
CNA Hikvision IDS-90xxHUHI-M8/SS affected Build date before 250807 Not specified
CNA Hikvision IDS-73xxHUHI-M4/SS affected Build date before 250807 Not specified
CNA Hikvision IDS-81xxHUHI-M8/SS affected Build date before 250807 Not specified
CNA Hikvision DS-71xxHGHI-M1/T affected Build date before 250807 Not specified
CNA Hikvision DS-72xxHGHI-M1/T affected Build date before 250807 Not specified
CNA Hikvision DS-ExxHGHI-xx affected Build date before 250807 Not specified
CNA Hikvision IDS-71xxHQHI-M1/S affected Build date before 250807 Not specified
CNA Hikvision IDS-72xxHQHI-M1/E affected Build date before 250807 Not specified
CNA Hikvision IDS-71xxHQHI-M1/T affected Build date before 250807 Not specified
CNA Hikvision IDS-72xxHQHI-M1/T affected Build date before 250807 Not specified
CNA Hikvision IDS-72xxHQHI-Mx/XT affected Build date before 250807 Not specified
CNA Hikvision IDS-73xxHQHI-M4/S affected Build date before 250807 Not specified
CNA Hikvision IDS-81xxHQHI-M8/S affected Build date before 250807 Not specified
CNA Hikvision IDS-90xxHQHI-M8/S affected Build date before 250807 Not specified
CNA Hikvision IDS-ExxHQHI-xx affected Build date before 250807 Not specified
CNA Hikvision IDS-71xxHUHI-M1/S affected Build date before 250807 Not specified
CNA Hikvision IDS-72xxHUHI-M1/E affected Build date before 250807 Not specified
CNA Hikvision IDS-72xxHUHI-M1/T affected Build date before 250807 Not specified
CNA Hikvision IDS-72xxHUHI-Mx/X affected Build date before 250807 Not specified
CNA Hikvision IDS-72xxHUHI-Mx/XT affected Build date before 250807 Not specified
CNA Hikvision IDS-72xxHUHI-Mx/PXT affected Build date before 250807 Not specified
CNA Hikvision IDS-73xxHUHI-M4/S affected Build date before 250807 Not specified
CNA Hikvision IDS-90xxHUHI-M8/S affected Build date before 250807 Not specified
CNA Hikvision IDS-ExxHUHI-xx affected Build date before 250807 Not specified
CNA Hikvision IDS-72xxHTHI-Mx/XT affected Build date before 250807 Not specified
CNA Hikvision DS-A806xxSI affected Build date before 250807 Not specified
CNA Hikvision DS-AT1000SI affected Build date before 250807 Not specified
CNA Hikvision IDS-96xxxNXI-Hx affected Build date before 250807 Not specified
CNA Hikvision IDS-96064NXI-I16 affected Build date before 250807 Not specified
CNA Hikvision IDS-96xxxNXI-Ix/AI affected Build date before 250807 Not specified
CNA Hikvision IDS-67xxNXI-Mx/X affected Build date before 250807 Not specified
CNA Hikvision IDS-76xxNXI-Mx/X affected Build date before 250807 Not specified
CNA Hikvision IDS-77xxNXI-Mx/X affected Build date before 250807 Not specified
CNA Hikvision IDS-96xxNXI-Mx/X affected Build date before 250807 Not specified
CNA Hikvision IDS-96xxxNXI-Mx/X affected Build date before 250807 Not specified
CNA Hikvision IDS-96xxxNXI-Hx/AI affected Build date before 250807 Not specified
CNA Hikvision IDS-96xxNXI-Mx/AI affected Build date before 250807 Not specified
CNA Hikvision IDS-67xxNXI-Mx/AI affected Build date before 250807 Not specified
CNA Hikvision IDS-67xxxNXI-Mx/AI affected Build date before 250807 Not specified
CNA Hikvision IDS-67xxNXI-S/T affected Build date before 250807 Not specified
CNA Hikvision IDS-67xxNXI-S affected Build date before 250807 Not specified
CNA Hikvision IDS-6704NXI/AI affected Build date before 250807 Not specified
CNA Hikvision IDS-67xxNXI-P1 affected Build date before 250807 Not specified
CNA Hikvision IDS-7608NXI-P2 affected Build date before 250807 Not specified
CNA Hikvision IDS-77xxNXI-P4 affected Build date before 250807 Not specified
CNA Hikvision IDS-96xxNXI-Px affected Build date before 250807 Not specified
CNA Hikvision DS-2CD1xxxG2 affected Versions below V5.7.13_230822 (including V5.7.13_230822) Not specified
CNA Hikvision DS-2CD3xx1G2 affected Versions below V5.7.13_230822 (including V5.7.13_230822) Not specified
CNA Hikvision HWI-xxxxHA affected Versions below V5.7.13_230822 (including V5.7.13_230822) Not specified
CNA Hikvision IPC-xxxxHA affected Versions below V5.7.13_230822 (including V5.7.13_230822) Not specified
CNA Hikvision DS-2CD2Dx5G1 affected Versions below V5.7.210_240826 (including V5.7.210_240826) Not specified
CNA Hikvision DS-2CD64x5G1 affected Versions below V5.7.210_240826 (including V5.7.210_240826) Not specified
CNA Hikvision DS-2CD29xxG0 affected Versions below V5.7.21_240814 (including V5.7.21_240814) Not specified
CNA Hikvision DS-2XE6xxxG0 affected Versions below V5.7.7build241203 (including V5.7.7build241203) Not specified
CNA Hikvision DS-2XC6xxxG0 affected Versions below V5.7.7build241203 (including V5.7.7build241203) Not specified
CNA Hikvision DS-2CD1xxxG0T affected Versions below V5.7.23_241015 (including V5.7.23_241015) Not specified
CNA Hikvision DS-2CD1xx1 affected Versions below V5.7.23_241015 (including V5.7.23_241015) Not specified
CNA Hikvision DS-2CD3xx1G0 affected Versions below V5.7.23_241015 (including V5.7.23_241015) Not specified
CNA Hikvision DS-2CD2xx1G0 affected Versions below V5.7.23_241015 (including V5.7.23_241015) Not specified
CNA Hikvision IPC-xxxxH affected Versions below V5.7.23_241015 (including V5.7.23_241015) Not specified
CNA Hikvision HWI-xxxHC affected Versions below V5.7.23_241015 (including V5.7.23_241015) Not specified

References

ReferenceSourceLinkTags
www.hikvision.com/en/support/cybersecurity/security-advisory/buffer-overflow-vu... [email protected] www.hikvision.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Angel Lozano Alcazar (en)

CNA: Pedro Guillen Nuñez (en)

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