Buffer overflow in Hikvision Ds-2cd1xx1
CVE-2025-66177
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (26.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000
Affected products
- Hikvision Ds-2cd1xx1 — versions Versions below V5.7.23_241015 (including V5.7.23_241015)
- Hikvision Ds-2cd1xxxg0(t) — versions Versions below V5.7.23_241015 (including V5.7.23_241015)
- Hikvision Ds-2cd1xxxg2 — versions Versions below V5.7.13_230822 (including V5.7.13_230822)
- Hikvision Ds-2cd29xxg0 — versions Versions below V5.7.21_240814 (including V5.7.21_240814)
- Hikvision Ds-2cd2dx5g1 — versions Versions below V5.7.210_240826 (including V5.7.210_240826)
- Hikvision Ds-2cd2xx1g0 — versions Versions below V5.7.23_241015 (including V5.7.23_241015)
- Hikvision Ds-2cd3xx1g0 — versions Versions below V5.7.23_241015 (including V5.7.23_241015)
- Hikvision Ds-2cd3xx1g2 — versions Versions below V5.7.13_230822 (including V5.7.13_230822)
- Hikvision Ds-2cd64x5g1 — versions Versions below V5.7.210_240826 (including V5.7.210_240826)
- Hikvision Ds-2xc6xxxg0 — versions Versions below V5.7.7build241203 (including V5.7.7build241203)
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-66177?
- CVE-2025-66177 is a high-severity vulnerability in Hikvision Ds-2cd1xx1, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-01-13.
- How severe is CVE-2025-66177?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-66177 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.