What’s Vulnerable › Vulnerabilities

CVE-2020-9544

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-03-05 · updated 2026-06-17
• Weakness: CWE-306

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.

Affected products

• D-Link Dsl-2640B Firmware: e1_eu_1.01

References

• https://ktln2.org/2020/03/05/cve-2020-9544/
• https://www.dlink.com/en/security-bulletin
• https://ktln2.org/2020/03/05/cve-2020-9544/
• https://www.dlink.com/en/security-bulletin

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