CVE-2025-66177: Hikvision Ds-2cd1xx1

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

  • Hikvision Ds-2cd1xx1: before V5.7.23_241015 (including V5.7.23_241015) (fixed in V5.7.23_241015 (including V5.7.23_241015))
  • Hikvision Ds-2cd1xxxg0t: before V5.7.23_241015 (including V5.7.23_241015) (fixed in V5.7.23_241015 (including V5.7.23_241015))
  • Hikvision Ds-2cd1xxxg2: before V5.7.13_230822 (including V5.7.13_230822) (fixed in V5.7.13_230822 (including V5.7.13_230822))
  • Hikvision Ds-2cd29xxg0: before V5.7.21_240814 (including V5.7.21_240814) (fixed in V5.7.21_240814 (including V5.7.21_240814))
  • Hikvision Ds-2cd2dx5g1: before V5.7.210_240826 (including V5.7.210_240826) (fixed in V5.7.210_240826 (including V5.7.210_240826))
  • Hikvision Ds-2cd2xx1g0: before V5.7.23_241015 (including V5.7.23_241015) (fixed in V5.7.23_241015 (including V5.7.23_241015))
  • Hikvision Ds-2cd3xx1g0: before V5.7.23_241015 (including V5.7.23_241015) (fixed in V5.7.23_241015 (including V5.7.23_241015))
  • Hikvision Ds-2cd3xx1g2: before V5.7.13_230822 (including V5.7.13_230822) (fixed in V5.7.13_230822 (including V5.7.13_230822))
  • Hikvision Ds-2cd64x5g1: before V5.7.210_240826 (including V5.7.210_240826) (fixed in V5.7.210_240826 (including V5.7.210_240826))
  • Hikvision Ds-2xc6xxxg0: before V5.7.7build241203 (including V5.7.7build241203) (fixed in V5.7.7build241203 (including V5.7.7build241203))
  • Hikvision Ds-2xe6xxxg0: before V5.7.7build241203 (including V5.7.7build241203) (fixed in V5.7.7build241203 (including V5.7.7build241203))
  • Hikvision Ds-710xni-g1/xp/m
  • Hikvision Ds-71xxhghi-m1/t
  • Hikvision Ds-71xxni-q1/xp
  • Hikvision Ds-71xxni-q1/xp/m
  • Hikvision Ds-72xxhghi-m1/t
  • Hikvision Ds-76xxni-Mx
  • Hikvision Ds-76xxni-q1/xp
  • Hikvision Ds-76xxni-q2/xp
  • Hikvision Ds-76xxni-Qx/xp Includingd、e
  • Hikvision Ds-76xxnxi-Ix/s
  • Hikvision Ds-76xxnxi-Ix/vpro
  • Hikvision Ds-76xxnxi-k1/xp
  • Hikvision Ds-76xxnxi-k1/xp/vpro
  • Hikvision Ds-76xxnxi-k2/xp
  • and 72 more

Published 2026-01-13. Last modified 2026-07-09.