Priority reviewHigh

CVE-2023-33782

dir-842v2 firmware, dir-842v2

D-Link DIR-842V2 v1.0.3 was discovered to contain a command injection vulnerability via the iperf3 diagnostics function.

CVSS
8.8
EPSS
36.6%
98.3% percentile
CISA KEV
Not listed
Published
2023.06.07
PRIORITY ASSESSMENT

Priority review

FIRST EPSS indicates an elevated probability of exploitation.

Known exploitationNot established by KEV
Exploit probability36.6%
Technical severityCVSS 8.8

Vulnerability overview

D-Link DIR-842V2 v1.0.3 was discovered to contain a command injection vulnerability via the iperf3 diagnostics function.

Affected product and versions

Product
dir-842v2 firmware, dir-842v2
Affected versions
1.0.3
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that dir-842v2 firmware, dir-842v2 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-77
CVE-2023-33782 — dir-842v2 firmware, dir-842v2 | SECUFOCUS NOW