ClosedPatched

Sunhillo SureLine OS Command Injection

Sunhillo SureLine

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. Added to the CISA KEV catalog on 2024-03-05. CVE-2021-36380 was assigned before 2024; the KEV listing came in 2024.

Why this severity: CVSS 9.8 (v3.1, CISA-ADP), actively exploited (CISA KEV)

Started: Mar 5, 2024
Closed: Mar 5, 2024
CVE: CVE-2021-36380

Follow this incident

Updated Mar 5, 2024

Affected

See vendor advisory (versions are not listed in the KEV record)

Fixed in

See vendor advisory linked in sources

Timeline1

Mar 5, 2024
CISA added CVE-2021-36380 to the KEV catalog (federal deadline 2024-03-26)
Source

Advisories3

Notes & caveats

Derived from the CISA KEV JSON feed (catalogVersion 2026.10.21); CVSS from the CVE record (cveawg.mitre.org). startedAt is the CVE publication date when it fell in 2024 before the KEV listing, else the KEV dateAdded; exploitation may have begun earlier. closedAt is the KEV listing date (a fix or mitigation was available then unless noted).

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