CVE-2020-9544
CVSS v3
7.5
HIGH
EPSS Score
1.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An issue was discovered on D-Link DSL-2640B E1 EU_1.01 devices. The administrative interface doesn't perform authentication checks for a firmware-update POST request. Any attacker that can access the administrative interface can install firmware of their choice.
Technical details
- Published
- 2020-03-05
Frequently asked questions
What is CVE-2020-9544?
An issue was discovered on D-Link DSL-2640B E1 EU_1.01 devices. The administrative interface doesn't perform authentication checks for a firmware-update POST request. Any attacker that can access the administrative interface can install firmware of their choice.
Is CVE-2020-9544 actively exploited?
Active exploitation of CVE-2020-9544 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-9544?
CVE-2020-9544 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2020-9544 affecting your environment?
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