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CRITICAL

CVE-2020-25366

CVSS v3

9.1

CRITICAL

EPSS Score

2.5 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An issue in the component /cgi-bin/upload_firmware.cgi of D-Link DIR-823G REVA1 1.02B05 allows attackers to cause a denial of service (DoS) via unspecified vectors.

Technical details

Published
2021-11-04

Frequently asked questions

What is CVE-2020-25366?

An issue in the component /cgi-bin/upload_firmware.cgi of D-Link DIR-823G REVA1 1.02B05 allows attackers to cause a denial of service (DoS) via unspecified vectors.

Is CVE-2020-25366 actively exploited?

Active exploitation of CVE-2020-25366 has not been confirmed. Its EPSS score was 2.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-25366?

CVE-2020-25366 has a CVSS v3 base score of 9.1 (CRITICAL severity).

Is CVE-2020-25366 affecting your environment?

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