CVE-2023-28768

🗓️ 14 Aug 2023 16:10:27Reported by ZyxelType

Improper frame handling in Zyxel XGS2220-30, XMG1930-30, and XS1930-10 firmware V4.80(ABXN.1/ACAR.1/ABQE.1) allows unauthenticated LAN-based DoS by crafted frames

Reporter	Title	Published	Views	Family All 12
BDU FSTEC	Zyxel Switches DoS	18 Aug 202300:00	–	bdu_fstec
Circl	CVE-2023-28768	14 Aug 202320:19	–	circl
CNNVD	Zyxel XGS2220-30 Security Vulnerability	14 Aug 202300:00	–	cnnvd
Cvelist	CVE-2023-28768	14 Aug 202316:10	–	cvelist
EUVD	EUVD-2023-32403	3 Oct 202520:07	–	euvd
NVD	CVE-2023-28768	14 Aug 202317:15	–	nvd
osv_cve	CVE-2023-28768	14 Aug 202317:15	–	osv_cve
Prion	Input validation	14 Aug 202317:15	–	prion
Positive Technologies	PT-2023-4399 · Zyxel · Zyxel Xs1930-10 +2	14 Aug 202300:00	–	ptsecurity
Rapid7 Vulnerability Database (full)	CVE-2023-28768: Improper Handling of Exceptional Conditions	14 Aug 202300:00	–	rapid7

NVD

Vulners

Node

AND

zyxel xgs2220-30_firmwareMatch4.80(abxn.1)

zyxel xgs2220-30Match-

Node

AND

zyxel xgs2220-30f_firmwareMatch4.80(abye.1)

zyxel xgs2220-30fMatch-

Node

AND

zyxel xgs2220-30hp_firmwareMatch4.80(abxo.1)

zyxel xgs2220-30hpMatch-

Node

AND

zyxel xgs2220-54_firmwareMatch4.80(abxp.1)

zyxel xgs2220-54Match-

Node

AND

zyxel xgs2220-54fp_firmwareMatch4.80(acce.1)

zyxel xgs2220-54fpMatch-

Node

AND

zyxel xgs2220-54hp_firmwareMatch4.80(abxq.1)

zyxel xgs2220-54hpMatch-

Node

AND

zyxel xmg1930-30_firmwareMatch4.80(acar.1)

zyxel xmg1930-30Match-

Node

AND

zyxel xmg1930-30hp_firmwareMatch4.80(acas.1)

zyxel xmg1930-30hpMatch-

Node

AND

zyxel xs1930-10_firmwareMatch4.80(abqe.1)

zyxel xs1930-10Match-

Node

AND

zyxel xs1930-12f_firmwareMatch4.80(abzv.1)

zyxel xs1930-12fMatch-

Node

AND

zyxel xs1930-12hp_firmwareMatch4.80(abqf.1)

zyxel xs1930-12hpMatch-

[
  {
    "defaultStatus": "unaffected",
    "product": "XGS2220-30 firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "V4.80(ABXN.1)"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "XMG1930-30 firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "V4.80(ACAR.1)"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "XS1930-10 firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "V4.80(ABQE.1)"
      }
    ]
  }
]

Source	Link
zyxel	www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dos-vulnerability-of-xgs2220-xmg1930-and-xs1930-series-switches

17 Jun 2026 05:48Current

6.4Medium risk

Vulners AI Score6.4

CVSS 3.16.5

EPSS0.00303

SSVC

CWE-755