Overview
Sunhillo SureLine contains an OS command injection vulnerability that allows an attacker to cause a denial-of-service or utilize the device for persistence on the network via shell metacharacters in ipAddr or dnsAddr in /cgi/networkDiag.cgi.
https://www.sunhillo.com/fb011/; https://nvd.nist.gov/vuln/detail/CVE-2021-36380
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2021-36380 |
| Vendor / Product | Sunhillo — SureLine |
| NVD Published | 2021-08-13 |
| NVD Last Modified | 2025-11-05 |
| CVSS 3.1 Score | 9.8 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Severity | CRITICAL |
| CWE | CWE-78 |
| CISA KEV Added | 2024-03-05 |
| CISA KEV Deadline | 2024-03-26 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Required Action
CISA BOD 22-01 Deadline: 2024-03-26.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Timeline
| Date | Event |
|---|---|
| 2024-03-05 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2024-03-26 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2021-36380 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |