CVE-2023-28769

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Published Apr 27, 2023 CVSS 3.1 · 9.8 Critical EPSS 5.4% KEV · Not listed

Description

The buffer overflow vulnerability in the library “libclinkc.so” of the web server “zhttpd” in Zyxel DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0 could allow a remote unauthenticated attacker to execute some OS commands or to cause denial-of-service (DoS) conditions on a vulnerable device.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Zyxel

DX5401-B0 firmware

affected

Version	Status	Constraints
`< V5.17(ABYO.1)C0`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:zyxel:dx5401-b0_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:zyxel:dx5401-b0:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 5.4% (5.420% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact total

References

Link	Providers
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities

History

Jan 31, 2025 7:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Zyxel Dx5401-b0 Dx5401-b0 Firmware

Weaknesses

CWE-120

Sources

CVE record Updated: Jan 31, 2025, 6:43 PM

Status: PUBLISHED
Assigner: Zyxel
Published: Apr 27, 2023, 12:00 AM
Updated: Jan 31, 2025, 6:43 PM
Reserved: Mar 23, 2023, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 1:51 PM

Updated: Aug 2, 2024, 1:51 PM

NVD Updated: Jun 17, 2026, 5:48 AM

Status: Modified
Published: Apr 27, 2023, 9:15 AM
Modified: Jun 17, 2026, 5:48 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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