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Fencer Vulns
high 8.8

CVE-2025-66177 json

There is a Buffer overflow Vulnerability in the device Search and Discovery feature of Hikvision NVR/DVR/CVR/IPC models.

published 2026-01-13 9 mo ago modified 2026-07-09 4 mo ago also EUVD-2026-2374

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 28%
public exploits
0
none known

Summary

There 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.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
9 mo ago

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Hikvision DS-96xxxNI-Hx
  • Hikvision DS-96xxxNI-Ix
  • Hikvision DS-96xxNXI-Sx
  • Hikvision DS-96xxxNXI-Sx
  • Hikvision DS-76xxNXI-Mx/VPro
  • Hikvision DS-96xxNXI-Mx/VPro
  • Hikvision DS-76xxNI-Mx
  • Hikvision DS-77xxNI-Mx
  • Hikvision DS-96xxNXI-Mx
  • Hikvision DS-96xxxNXI-Mx
  • Hikvision DS-86xxxNXI-Mx
  • Hikvision DS-76xxNXI-Ix/S
  • Hikvision DS-77xxNXI-Ix/S
  • Hikvision DS-86xxNXI-Ix/S
  • Hikvision DS-96xxNXI-Ix/S
  • Hikvision DS-76xxNXI-Ix/VPro
  • Hikvision DS-77xxNXI-Ix/VPro
  • Hikvision DS-76xxNXI-Kx(/xP) including(D)、(E)、(B)
  • Hikvision DS-77xxNXI-Kx(/xP) including(D)、(E)、(B)
  • Hikvision DS-76xxNXI-Kx(/xP)/Vpro
  • Hikvision DS-77xxNXI-Kx(/xP)/Vpro
  • Hikvision DS-76xxNI-Qx(/xP) including(D)、(E)
  • Hikvision DS-71xxNI-Q1(/xP)/M
  • Hikvision DS-71xxNI-Q1(/xP)
  • Hikvision DS-710xNI-G1/(xP)/M
  • Hikvision DS-76xxNI-Q1(/xP)
  • Hikvision DS-76xxNI-Q2(/xP)
  • Hikvision DS-76xxNXI-K1(/xP)
  • Hikvision DS-76xxNXI-K2(/xP)
  • Hikvision DS-77xxNXI-K4(/xP)
  • Hikvision DS-86xxNXI-K8(/xP)
  • Hikvision DS-76xxNXI-K1(/xP)/VPro
  • Hikvision DS-76xxNXI-K2(/xP)/VPro
  • Hikvision DS-77xxNXI-K4(/xP)/VPro
  • Hikvision iDS-71xxHGHI-M1(/T)
  • Hikvision iDS-72xxHGHI-M1(/T)
  • Hikvision iDS-71xxHQHI-M1(/T)
  • Hikvision iDS-72xxHQHI-M1(/T)
  • Hikvision iDS-72xxHQHI-Mx/XT
  • Hikvision iDS-72xxHUHI-Mx/XT
  • Hikvision iDS-72xxHTHI-Mx/XT
  • Hikvision iDS-90xxHUHI-M8/S(S)
  • Hikvision iDS-73xxHUHI-M4/S(S)
  • Hikvision iDS-81xxHUHI-M8/S(S)
  • Hikvision DS-71xxHGHI-M1(/T)
  • Hikvision DS-72xxHGHI-M1(/T)
  • Hikvision DS-ExxHGHI-xx
  • Hikvision iDS-71xxHQHI-M1/S
  • Hikvision iDS-72xxHQHI-M1/E
  • Hikvision iDS-71xxHQHI-M1/T

Classification

Weakness
  • CWE-121 Stack-based Buffer Overflow

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.