How severe is CVE-2023-33781?

CVE-2023-33781 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-2023-33781 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 36% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33781?

CVE-2023-33781 affects Dlink Dir-842v2 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-33781?

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-2023-33781 published?

CVE-2023-33781 was published on 2023-06-07 and last updated on 2026-07-05.

CVE-2023-33781

CVE-2023-33781 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 36% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 36% (98th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Dlink Dir-842v2 Firmware
Published: 2023-06-07
Last modified: 2026-07-05

Description

An issue in D-Link DIR-842V2 v1.0.3 allows attackers to execute arbitrary commands via importing a crafted file.

Frequently asked questions

What is CVE-2023-33781?: An issue in D-Link DIR-842V2 v1.0.3 allows attackers to execute arbitrary commands via importing a crafted file.
How severe is CVE-2023-33781?: CVE-2023-33781 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-2023-33781 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 36% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33781?: CVE-2023-33781 affects Dlink Dir-842v2 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-33781?: 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-2023-33781 published?: CVE-2023-33781 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-2023-33782 — High (CVSS 8.8): D-Link DIR-842V2 v1.0.3 was discovered to contain a command injection vulnerability via the iperf3 diagnostics function.

All CVEs affecting Dlink Dir-842v2 Firmware →