Vulnerability · CVE-2025-66173
There is a privilege escalation vulnerability in some Hikvision DVR products.
Published Dec 19, 2025 · catalog updated Dec 19, 2025 · Hikvision DS-7104HGHI-F1
Last checked Nov 2, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-66173. EPSS is 0.21%. Act only if a listed version of Hikvision DS-7104HGHI-F1 is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2025-66174 · Medium
- Severity
- Medium6.2
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.21%
- Remediation
- Advisory link
- Affected products
- vendor Hikvision DS-7104HGHI-F1 Versions below V4.30.122_201107 (including V4.30.122_201107)
There is a privilege escalation vulnerability in some Hikvision DVR products. Due to the improper implementation of authentication for the serial port, an attacker with physical access could exploit this vulnerability by connecting to the affected products and gaining access to an unrestricted shell environment.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Hikvision DS-7104HGHI-F1 Versions below V4.30.122_201107 (including V4.30.122_201107)Versions below V4.30.122_201107 (including V4.30.122_201107)
How to fix CVE-2025-66173
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in Versions below V4.30.122_201107 (including V4.30.122_201107)
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-66173. EPSS is 0.21%. Act only if a listed version of Hikvision DS-7104HGHI-F1 is installed.
Which versions are affected?
Compare what you have installed with Hikvision DS-7104HGHI-F1 Versions below V4.30.122_201107 (including V4.30.122_201107) Versions below V4.30.122_201107 (including V4.30.122_201107). Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.21%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Dec 19, 2025 · EUVD
Detected
There is a privilege escalation vulnerability in some Hikvision DVR products. Due to the improper implementation of authentication for the serial port, an attacker with physical access could exploit this vulnerability by connecting to the affected products and gaining access to an unrestricted shell environment.
Dec 19, 2025 · EUVD
Updated
There is a privilege escalation vulnerability in some Hikvision DVR products. Due to the improper implementation of authentication for the serial port, an attacker with physical access could exploit this vulnerability by connecting to the affected products and gaining access to an unrestricted shell environment.
Sources
- CVE.orgVulnerability recordCVE-2025-66173
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-66173
30-day exploitation probability 0.21%
first.org - EUVDVulnerability recordEUVD-2025-204452
There is a privilege escalation vulnerability in some Hikvision DVR products. Due to the improper implementation of authentication for the serial port, an attacker with physical access could exploit this vulnerability by connecting to the affected products and gaining access to a
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 2, 2026
- CVE.orgNov 2, 2026
- EUVDNov 1, 2026