How severe is CVE-2023-33782?

CVE-2023-33782 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-33782 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 43% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33782?

CVE-2023-33782 affects Dlink Dir-842v2 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-33782?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-33782 published?

CVE-2023-33782 was published on 2023-06-07 and last updated on 2026-07-05.

CVE-2023-33782

CVE-2023-33782 is a high-severity vulnerability in Dlink Dir-842v2 Firmware with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 43% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-77.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 43% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Dlink Dir-842v2 Firmware
Published: 2023-06-07
Last modified: 2026-07-05

Description

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

Frequently asked questions

What is CVE-2023-33782?: D-Link DIR-842V2 v1.0.3 was discovered to contain a command injection vulnerability via the iperf3 diagnostics function.
How severe is CVE-2023-33782?: CVE-2023-33782 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-33782 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 43% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33782?: CVE-2023-33782 affects Dlink Dir-842v2 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-33782?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-33782 published?: CVE-2023-33782 was published on 2023-06-07 and last updated on 2026-07-05.

References

Affected products (1)

cpe:2.3:o:dlink:dir-842v2_firmware:1.0.3:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-842v2 Firmware

CVE-2023-33781 — High (CVSS 8.8): An issue in D-Link DIR-842V2 v1.0.3 allows attackers to execute arbitrary commands via importing a crafted file.

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