CVE-2021-36380
CISA KEVPublished March 5, 2024 · Updated April 3, 2026
high
Official Description+
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.
Affected Products
| Vendor | Product |
|---|---|
| Sunhillo | SureLine |
Patch Status
Patch by 2024-03-26
Recommended Actions
- Check if your systems use any of the affected products listed above.
- Apply vendor patches immediately if available.
- This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
- Monitor vendor advisories for updates and additional mitigations.
- Review logs for indicators of compromise related to CVE-2021-36380.