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CVE-2022-45426

21
FAUCET Score

CVE-2022-45426 is an unrestricted file download vulnerability affecting several Dahua software products, including various DHI-DSS4004-S2, DHI-DSS7016D-S2, DHI-DSS7016DR-S2, DSS Express, and DSS Professional versions. With a CVSS score of 6.5 (Medium), this vulnerability allows an attacker with ordinary user permissions to download arbitrary files by sending a specially crafted packet to a vulnerable interface. The attack vector is network-based with low complexity, and its primary impact is high confidentiality compromise. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
7.002.1760000.2CPE matchmatch criteria
cpe:2.3:a:dahuasecurity:dss_express:7.002.1760000.2:*:*:*:*:*:*:*
8.0.2CPE matchmatch criteria
cpe:2.3:a:dahuasecurity:dss_express:8.0.2:*:*:*:*:*:*:*
8.0.4CPE matchmatch criteria
cpe:2.3:a:dahuasecurity:dss_express:8.0.4:*:*:*:*:*:*:*
8.1CPE matchmatch criteria
cpe:2.3:a:dahuasecurity:dss_express:8.1:*:*:*:*:*:*:*
8.1.1CPE matchmatch criteria
cpe:2.3:a:dahuasecurity:dss_express:8.1.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.58%
Probability of exploitation in next 30 days
EPSS Percentile
44.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0058 is in the 54th percentile among its peer group of 21,974 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

dahuasecurity.com / support/cybersecurity/details/1137
PatchVendor Advisory