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CVE-2025-66176

34
FAUCET Score

CVE-2025-66176 is a high-severity stack overflow vulnerability affecting Hikvision Access Control Products' device Search and Discovery feature. An attacker on the same local area network (LAN) can exploit this by sending specially crafted packets, leading to device malfunction. The vulnerability has a CVSS score of 8.8 (HIGH), indicating a network-adjacent attack vector with low complexity and high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.7.80CPE matchmatch criteria
cpe:2.3:o:hikvision:ds-k1t331_firmware:*:*:*:*:*:*:*:*
< 3.7.80CPE matchmatch criteria
cpe:2.3:o:hikvision:ds-k1t341a_firmware:*:*:*:*:*:*:*:*
< 3.7.80CPE matchmatch criteria
cpe:2.3:o:hikvision:ds-k1t341b_firmware:*:*:*:*:*:*:*:*
< 3.7.80CPE matchmatch criteria
cpe:2.3:o:hikvision:ds-k1t671_firmware:*:*:*:*:*:*:*:*
< 3.7.80CPE matchmatch criteria
cpe:2.3:o:hikvision:ds-k5671_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.48%
Probability of exploitation in next 30 days
EPSS Percentile
39.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 37th percentile among its peer group of 1,859 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

talosintelligence.com / vulnerability_reports/TALOS-2025-2281
hikvision.com / en/support/cybersecurity/security-advisory/buffer-overflow-vulnerabilities-in-some-hikvision-products
Vendor Advisory