CVE-2025-66174
CVE-2025-66174 is a medium-severity vulnerability in Hikvision Ds-7104hghi-f1 Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 0% (23rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-204451
- Weakness: CWE-287
- Affected product: Hikvision Ds-7104hghi-f1 Firmware
- Published:
- Last modified:
Description
There is an improper authentication 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 run a series of commands.
Frequently asked questions
- What is CVE-2025-66174?
- There is an improper authentication 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 run a series of commands.
- How severe is CVE-2025-66174?
- CVE-2025-66174 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.
- Is CVE-2025-66174 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-66174?
- CVE-2025-66174 primarily affects Hikvision Ds-7104hghi-f1 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2025-66174?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-66174 have an EU (EUVD) identifier?
- Yes. CVE-2025-66174 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204451.
- When was CVE-2025-66174 published?
- CVE-2025-66174 was published on 2025-12-19 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:o:hikvision:ds-7104hghi-f1_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:hikvision:ds-7204hghi-f1_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Hikvision Ds-7104hghi-f1 Firmware
- CVE-2025-66173 — Medium (CVSS 6.2): There is a privilege escalation vulnerability in some Hikvision DVR products. Due to the improper implementation of…
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- CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
- CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…
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