CVE-2019-15803

🗓️ 14 Nov 2019 20:15:56Reported by mitreType

cve🔗 web.nvd.nist.gov👁 112 Views

Zyxel GS1900 firmware before 2.50(AAHH.0)C0 allows unauthorized acces

Reporter	Title	Published	Views	Family All 10
BDU FSTEC	libfds Heap Buffer Overflow Privilege Escalation	17 Dec 201900:00	–	bdu_fstec
CNVD	Unspecified Vulnerability in ZyXEL GS1900 (CNVD-2019-41669)	19 Nov 201900:00	–	cnvd
Cvelist	CVE-2019-15803	14 Nov 201920:15	–	cvelist
EUVD	EUVD-2019-6722	7 Oct 202500:30	–	euvd
NVD	CVE-2019-15803	14 Nov 201921:15	–	nvd
osv_cve	CVE-2019-15803	14 Nov 201921:15	–	osv_cve
Prion	Improper access control	14 Nov 201921:15	–	prion
Positive Technologies	PT-2019-4113	14 Nov 201900:00	–	ptsecurity
Rapid7 Vulnerability Database (full)	CVE-2019-15803: Improper Authentication	14 Nov 201900:00	–	rapid7
RedhatCVE	CVE-2019-15803	22 May 202510:21	–	redhatcve

NVD

Node

AND

zyxel gs1900-8_firmwareRange<2.50(aahh.0)c0

zyxel gs1900-8Match-

Node

AND

zyxel gs1900-8hp_firmwareRange<2.50(aahi.0)c0

zyxel gs1900-8hpMatch-

Node

AND

zyxel gs1900-10hp_firmwareRange<2.50(aazi.0)c0

zyxel gs1900-10hpMatch-

Node

AND

zyxel gs1900-16_firmwareRange<2.50(aahj.0)c0

zyxel gs1900-16Match-

Node

AND

zyxel gs1900-24e_firmwareRange<2.50(aahk.0)c0

zyxel gs1900-24eMatch-

Node

AND

zyxel gs1900-24_firmwareRange<2.50(aahl.0)c0

zyxel gs1900-24Match-

Node

AND

zyxel gs1900-24hp_firmwareRange<2.50(aahm.0)c0

zyxel gs1900-24hpMatch-

Node

AND

zyxel gs1900-48_firmwareRange<2.50(aahn.0)c0

zyxel gs1900-48Match-

Node

AND

zyxel gs1900-48hp_firmwareRange<2.50(aaho.0)c0

zyxel gs1900-48hpMatch-

Source	Link
zyxel	www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml
jasper	www.jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html

17 Jun 2026 02:21Current

9.2Critical risk

Vulners AI Score9.2

CVSS 26.4

CVSS 3.19.1

EPSS0.01323

zyxel gs1900 firmware vulnerability remote access undocumented functionality diagnostics shell access control