A vulnerability, found in EdgeRouters Version 2.0.9-hotfix.5 and earlier and UniFi Security Gateways (USG) Version 4.4.56 and earlier with their DHCPv6 prefix delegation set to dhcpv6-stateless or dhcpv6-stateful, allows a malicious actor directly connected to the WAN interface of an affected device to create a remote code execution vulnerability.
This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.8, indicating it requires adjacent network access with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 20 products from ui, from ui, from ui and 17 others, organizations running these solutions should prioritize assessment and patching.
Reported in 2023, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.
2023-02-09T20:15:11.740
2025-03-24T19:15:41.460
Modified
CVSSv3.1: 8.8 (HIGH)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | ui | usg_firmware | < 4.4.57 | Yes |
| Hardware | ui | usg | - | No |
| Operating System | ui | usg-pro-4_firmware | < 4.4.57 | Yes |
| Hardware | ui | usg-pro-4 | - | No |
| Operating System | ui | er-10x_firmware | < 2.0.9 | Yes |
| Operating System | ui | er-10x_firmware | 2.0.9 | Yes |
| Operating System | ui | er-10x_firmware | 2.0.9 | Yes |
| Operating System | ui | er-10x_firmware | 2.0.9 | Yes |
| Operating System | ui | er-10x_firmware | 2.0.9 | Yes |
| Hardware | ui | er-10x | - | No |
| Operating System | ui | er-12_firmware | < 2.0.9 | Yes |
| Operating System | ui | er-12_firmware | 2.0.9 | Yes |
| Operating System | ui | er-12_firmware | 2.0.9 | Yes |
| Operating System | ui | er-12_firmware | 2.0.9 | Yes |
| Operating System | ui | er-12_firmware | 2.0.9 | Yes |
| Hardware | ui | er-12 | - | No |
| Operating System | ui | er-12p_firmware | < 2.0.9 | Yes |
| Operating System | ui | er-12p_firmware | 2.0.9 | Yes |
| Operating System | ui | er-12p_firmware | 2.0.9 | Yes |
| Operating System | ui | er-12p_firmware | 2.0.9 | Yes |
| Operating System | ui | er-12p_firmware | 2.0.9 | Yes |
| Hardware | ui | er-12p | - | No |
| Operating System | ui | er-4_firmware | < 2.0.9 | Yes |
| Operating System | ui | er-4_firmware | 2.0.9 | Yes |
| Operating System | ui | er-4_firmware | 2.0.9 | Yes |
| Operating System | ui | er-4_firmware | 2.0.9 | Yes |
| Operating System | ui | er-4_firmware | 2.0.9 | Yes |
| Hardware | ui | er-4 | - | No |
| Operating System | ui | er-6p_firmware | < 2.0.9 | Yes |
| Operating System | ui | er-6p_firmware | 2.0.9 | Yes |
| Operating System | ui | er-6p_firmware | 2.0.9 | Yes |
| Operating System | ui | er-6p_firmware | 2.0.9 | Yes |
| Operating System | ui | er-6p_firmware | 2.0.9 | Yes |
| Hardware | ui | er-6p | - | No |
| Operating System | ui | er-8-xg_firmware | < 2.0.9 | Yes |
| Operating System | ui | er-8-xg_firmware | 2.0.9 | Yes |
| Operating System | ui | er-8-xg_firmware | 2.0.9 | Yes |
| Operating System | ui | er-8-xg_firmware | 2.0.9 | Yes |
| Operating System | ui | er-8-xg_firmware | 2.0.9 | Yes |
| Hardware | ui | er-8-xg | - | No |
| Operating System | ui | er-x_firmware | < 2.0.9 | Yes |
| Operating System | ui | er-x_firmware | 2.0.9 | Yes |
| Operating System | ui | er-x_firmware | 2.0.9 | Yes |
| Operating System | ui | er-x_firmware | 2.0.9 | Yes |
| Operating System | ui | er-x_firmware | 2.0.9 | Yes |
| Hardware | ui | er-x | - | No |
| Operating System | ui | er-x-sfp_firmware | < 2.0.9 | Yes |
| Operating System | ui | er-x-sfp_firmware | 2.0.9 | Yes |
| Operating System | ui | er-x-sfp_firmware | 2.0.9 | Yes |
| Operating System | ui | er-x-sfp_firmware | 2.0.9 | Yes |
| Operating System | ui | er-x-sfp_firmware | 2.0.9 | Yes |
| Hardware | ui | er-x-sfp | - | No |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For ui's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.