CVE-2022-40603

🗓️ 06 Dec 2022 00:00:00Reported by ZyxelType

CVE-2022-40603 XSS vulnerability in Zyxel ZyWALL/USG series firmware versions 4.30-4.72, VPN series firmware versions 4.30-5.31, USG FLEX series firmware versions 4.50-5.31, and ATP series firmware versions 4.32-5.3

Reporter	Title	Published	Views	Family All 12
BDU FSTEC	CGI XSS	16 Dec 202200:00	–	bdu_fstec
Circl	CVE-2022-40603	6 Dec 202210:12	–	circl
CNNVD	Zyxel USG/ZyWALL cross-site scripting vulnerabilities	6 Dec 202200:00	–	cnnvd
Cvelist	CVE-2022-40603	6 Dec 202200:00	–	cvelist
EUVD	EUVD-2022-43878	3 Oct 202520:07	–	euvd
NVD	CVE-2022-40603	6 Dec 202202:15	–	nvd
osv_cve	CVE-2022-40603	6 Dec 202202:15	–	osv_cve
Prion	Cross site scripting	6 Dec 202202:15	–	prion
Positive Technologies	PT-2022-5874 · Zyxel · Zyxel Vpn +4	12 Sep 202200:00	–	ptsecurity
Rapid7 Vulnerability Database (full)	CVE-2022-40603: Improper Neutralization of Input During Web Page Generation	6 Dec 202200:00	–	rapid7

NVD

Node

AND

zyxel atp800_firmwareRange4.32–5.31

zyxel atp800Match-

Node

AND

zyxel atp700_firmwareRange4.32–5.31

zyxel atp700Match-

Node

AND

zyxel atp500_firmwareRange4.32–5.31

zyxel atp500Match-

Node

AND

zyxel atp200_firmwareRange4.32–5.31

zyxel atp200Match-

Node

AND

zyxel atp100_firmwareRange4.32–5.31

zyxel atp100Match-

Node

AND

zyxel atp100w_firmwareRange4.32–5.31

zyxel atp100wMatch-

Node

AND

zyxel usg_flex_100w_firmwareRange4.50–5.31

zyxel usg_flex_100wMatch-

Node

AND

zyxel usg_flex_200_firmwareRange4.50–5.31

zyxel usg_flex_200Match-

Node

AND

zyxel usg_flex_500_firmwareRange4.50–5.31

zyxel usg_flex_500Match-

Node

AND

zyxel usg_flex_700_firmwareRange4.50–5.31

zyxel usg_flex_700Match-

Node

AND

zyxel usg_flex_50w_firmwareRange4.50–5.31

zyxel usg_flex_50wMatch-

Node

AND

zyxel vpn1000_firmwareRange4.30–5.31

zyxel vpn1000Match-

Node

AND

zyxel vpn300_firmwareRange4.30–5.31

zyxel vpn300Match-

Node

AND

zyxel vpn100_firmwareRange4.30–5.31

zyxel vpn100Match-

Node

AND

zyxel vpn50_firmwareRange4.30–5.31

zyxel vpn50Match-

Node

AND

zyxel usg40_firmwareRange4.30–4.72

zyxel usg40Match-

Node

AND

zyxel usg40w_firmwareRange4.30–4.72

zyxel usg40wMatch-

Node

AND

zyxel usg60_firmwareRange4.30–4.72

zyxel usg60Match-

Node

AND

zyxel usg60w_firmwareRange4.30–4.72

zyxel usg60wMatch-

[
  {
    "vendor": "Zyxel",
    "product": "ZyWALL/USG series firmware",
    "versions": [
      {
        "version": "4.30 through 4.72",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Zyxel",
    "product": "VPN series firmware",
    "versions": [
      {
        "version": "4.30 through 5.31",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Zyxel",
    "product": "USG FLEX series firmware",
    "versions": [
      {
        "version": "4.50 through 5.31",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Zyxel",
    "product": "ATP series firmware",
    "versions": [
      {
        "version": "4.32 through 5.31",
        "status": "affected"
      }
    ]
  }
]

Source	Link
zyxel	www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-xss-vulnerability-in-firewalls

17 Jun 2026 05:01Current

5.6Medium risk

Vulners AI Score5.6

CVSS 3.14.7 - 6.1

EPSS0.00386

SSVC

CWE-79