What’s Vulnerable › Vulnerabilities

CVE-2018-18907

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-06-16 · updated 2026-06-17
• Weakness: CWE-287

Description

An issue was discovered on D-Link DIR-850L 1.21WW devices. A partially completed WPA handshake is sufficient for obtaining full access to the wireless network. A client can access the network by sending packets on Data Frames to the AP without encryption.

Affected products

• Dlink Dir-850L Firmare: before 1.21b07 — fixed in 1.21b07

How to fix

Upgrade to a fixed version: Dlink Dir-850L Firmare 1.21b07. Check the vendor advisory for mitigations.

References

• http://us.dlink.com/security-advisories/
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10097
• https://www.synopsys.com/blogs/software-security/wpa2-encryption-bypass-defensics-fuzzing/
• http://us.dlink.com/security-advisories/
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10097
• https://www.synopsys.com/blogs/software-security/wpa2-encryption-bypass-defensics-fuzzing/

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