PT-2025-52415 · Hikvision · Hikvision Nvr

Aaron J Jose · Published 2025-12-19 · Updated 2025-12-19 · CVE-2025-66173

Positive Technologies (AI Summary)

CVSS v3.1

6.2

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Hikvision DVR products (affected versions not specified)

Description A flaw exists in certain Hikvision DVR products related to authentication for the serial port. An attacker with physical access can connect to the affected devices and obtain an unrestricted shell environment. This is due to an improper implementation of authentication.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

CVE-2025-66173

Affected Products

Hikvision Nvr

References · 6

• https://osv.dev/vulnerability/CVE-2025-66173 · Vendor Advisory
• https://hikvision.com/en/support/cybersecurity/security-advisory/serial-port-privilege-escalation-vulnerabilities-in-some-hikvision-nvr-devices · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-66173 · Security Note
• https://t.me/CVEtracker/40245 · Telegram Post
• https://twitter.com/CVEnew/status/2002099188176466120 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2002002671641755984 · Twitter Post