What’s Vulnerable › Vulnerabilities

CVE-2023-31998

• 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: 2023-07-18 · updated 2026-06-17
• Weakness: CWE-787

Description

A heap overflow vulnerability found in EdgeRouters and Aircubes allows a malicious actor to interrupt UPnP service to said devices.

Affected products

• Ui Aircube Firmware: before 2.8.9 — fixed in 2.8.9
• EdgeMAX EdgeRouter: 2.0.9

How to fix

Upgrade to a fixed version: Ui Aircube Firmware 2.8.9. Check the vendor advisory for mitigations.

References

• https://community.ui.com/releases/Security-Advisory-Bulletin-033-033/17f7c7c0-830b-4625-a2ee-e90e514e7b0f
• https://community.ui.com/releases/Security-Advisory-Bulletin-033-033/17f7c7c0-830b-4625-a2ee-e90e514e7b0f

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