CVE-2022-45426

Some Dahua software products have a vulnerability of unrestricted download of file. After obtaining the permissions of ordinary users, by sending a specific crafted packet to the vulnerable interface, an attacker can download arbitrary files.

Published: 2022-12-27 Last update: 2025-04-14 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-45426 is rated Moderate Risk (41.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.58%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-45426

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.10% 0.58% +0.48%
2 2026-01-07 0.17% 0.10% -0.07%
3 2025-12-28 — 0.17% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-45426

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 3.6 [email protected]
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2022-45426

Affected software / configurations for CVE-2022-45426

Vendor Product Version Raw CPE
dahuasecurity dss_express 7.002.1760000.2 cpe:2.3:a:dahuasecurity:dss_express:7.002.1760000.2:*:*:*:*:*:*:*
dahuasecurity dss_express 8.0.2 cpe:2.3:a:dahuasecurity:dss_express:8.0.2:*:*:*:*:*:*:*
dahuasecurity dss_express 8.0.4 cpe:2.3:a:dahuasecurity:dss_express:8.0.4:*:*:*:*:*:*:*
dahuasecurity dss_express 8.1 cpe:2.3:a:dahuasecurity:dss_express:8.1:*:*:*:*:*:*:*
dahuasecurity dss_express 8.1.1 cpe:2.3:a:dahuasecurity:dss_express:8.1.1:*:*:*:*:*:*:*
dahuasecurity dss_professional 7.002.1760000.2 cpe:2.3:a:dahuasecurity:dss_professional:7.002.1760000.2:*:*:*:*:*:*:*
dahuasecurity dss_professional 8.0.2 cpe:2.3:a:dahuasecurity:dss_professional:8.0.2:*:*:*:*:*:*:*
dahuasecurity dss_professional 8.0.4 cpe:2.3:a:dahuasecurity:dss_professional:8.0.4:*:*:*:*:*:*:*
dahuasecurity dss_professional 8.1 cpe:2.3:a:dahuasecurity:dss_professional:8.1:*:*:*:*:*:*:*
dahuasecurity dss_professional 8.1.1 cpe:2.3:a:dahuasecurity:dss_professional:8.1.1:*:*:*:*:*:*:*
dahuasecurity dhi-dss7016d-s2_firmware 1.001.0000001.2 cpe:2.3:o:dahuasecurity:dhi-dss7016d-s2_firmware:1.001.0000001.2:*:*:*:*:*:*:*
dahuasecurity dhi-dss7016d-s2_firmware 8.0.2 cpe:2.3:o:dahuasecurity:dhi-dss7016d-s2_firmware:8.0.2:*:*:*:*:*:*:*
dahuasecurity dhi-dss7016d-s2_firmware 8.0.4 cpe:2.3:o:dahuasecurity:dhi-dss7016d-s2_firmware:8.0.4:*:*:*:*:*:*:*
dahuasecurity dhi-dss7016d-s2_firmware 8.1 cpe:2.3:o:dahuasecurity:dhi-dss7016d-s2_firmware:8.1:*:*:*:*:*:*:*
dahuasecurity dhi-dss7016dr-s2_firmware 1.001.0000001.2 cpe:2.3:o:dahuasecurity:dhi-dss7016dr-s2_firmware:1.001.0000001.2:*:*:*:*:*:*:*
dahuasecurity dhi-dss7016dr-s2_firmware 8.0.2 cpe:2.3:o:dahuasecurity:dhi-dss7016dr-s2_firmware:8.0.2:*:*:*:*:*:*:*
dahuasecurity dhi-dss7016dr-s2_firmware 8.0.4 cpe:2.3:o:dahuasecurity:dhi-dss7016dr-s2_firmware:8.0.4:*:*:*:*:*:*:*
dahuasecurity dhi-dss7016dr-s2_firmware 8.1 cpe:2.3:o:dahuasecurity:dhi-dss7016dr-s2_firmware:8.1:*:*:*:*:*:*:*
dahuasecurity dhi-dss4004-s2_firmware 1.001.0000001.2 cpe:2.3:o:dahuasecurity:dhi-dss4004-s2_firmware:1.001.0000001.2:*:*:*:*:*:*:*
dahuasecurity dhi-dss4004-s2_firmware 8.0.2 cpe:2.3:o:dahuasecurity:dhi-dss4004-s2_firmware:8.0.2:*:*:*:*:*:*:*
dahuasecurity dhi-dss4004-s2_firmware 8.0.4 cpe:2.3:o:dahuasecurity:dhi-dss4004-s2_firmware:8.0.4:*:*:*:*:*:*:*
dahuasecurity dhi-dss4004-s2_firmware 8.1 cpe:2.3:o:dahuasecurity:dhi-dss4004-s2_firmware:8.1:*:*:*:*:*:*:*

References for CVE-2022-45426

cvelogic Threat Intelligence