Zyxel Communications Corp. GS1900-48HP

Name: Zyxel Communications Corp. GS1900-48HP
Brand: Zyxel Communications Corp.

productRU

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

KEV-listed

public exploit

EPSS ≥ 10%

by severity

2critical5high1medium0low

updated 2026-10-28

vulnerabilities (8)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2019-15800US	critical9.8	3.87% (90th)	—	no fix	2019-11-14	≤ 2.50(AAHO.0)C0
CVE-2019-15799US	high8.8	2.31% (83rd)	—	no fix	2019-11-14	≤ 2.50(AAHO.0)C0
CVE-2019-15802US	medium5.9OT elevated	1.50% (74th)	—	no fix	2019-11-14	≤ 2.50(AAHO.0)C0
CVE-2019-15801US	high7.5OT elevated	1.49% (74th)	—	no fix	2019-11-14	≤ 2.50(AAHO.0)C0
CVE-2019-15803US	critical9.1	1.32% (71st)	—	no fix	2019-11-14	≤ 2.50(AAHO.0)C0
CVE-2019-15804US	high7.5	0.93% (61st)	—	no fix	2019-11-14	≤ 2.50(AAHO.0)C0
CVE-2021-35031US	high8.0	0.48% (41st)	—	no fix	2021-12-28	≤ 2.70(AAHO.1)C0
CVE-2021-35032US	high7.8	0.22% (13th)	—	no fix	2021-12-28	≤ 2.70(AAHO.1)C0

The flaw types (CWEs) most of these CVEs share.

CWE-20Improper Input Validation3 CVEs
CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')3 CVEs
CWE-798Use of Hard-coded Credentials2 CVEs
CWE-269Improper Privilege Management1 CVEs
CWE-287Improper Authentication1 CVEs
CWE-522Insufficiently Protected Credentials1 CVEs

Which sources assert this record, and when.

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