CVE-2020-9544

HIGH

D-Link DSL-2640B E1 EU_1.01 - Unauthenticated Firmware Update

Title source: llm

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.

References (2)

Core 2

Core References

Vendor Advisory x_refsource_misc

https://www.dlink.com/en/security-bulletin

Exploit, Third Party Advisory x_refsource_misc

https://ktln2.org/2020/03/05/cve-2020-9544/

Scores

CVSS v3 7.5

EPSS 0.0136

EPSS Percentile 68.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE

CWE-306

Status published

Products (1)

d-link/dsl-2640b_firmware e1_eu_1.01

Published Mar 05, 2020

Tracked Since Feb 18, 2026