What’s Vulnerable › Vulnerabilities

CVE-2020-9278

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-04-20 · updated 2026-06-17
• Weakness: CWE-306

Description

An issue was discovered on D-Link DSL-2640B B2 EU_4.01B devices. The device can be reset to its default configuration by accessing an unauthenticated URL.

Affected products

• Dlink Dsl-2640B Firmware: eu_4.01b

References

• https://raelize.com/advisories/CVE-2020-9278_D-Link-DSL-2640B_Unauthenticated-configuration-reset_v1.0.txt
• https://raelize.com/posts/d-link-dsl-2640b-security-advisories/
• https://www.dlink.com/en/security-bulletin
• https://raelize.com/advisories/CVE-2020-9278_D-Link-DSL-2640B_Unauthenticated-configuration-reset_v1.0.txt
• https://raelize.com/posts/d-link-dsl-2640b-security-advisories/
• https://www.dlink.com/en/security-bulletin

Get alerted when CVE-2020-9278 or the next vulnerability affects your stack