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CVE-2023-28769

Published: Apr 27, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-120
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
5.4%
Top 8.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-120

Affected Products

DX5401-B0 firmwareZyxelNetworking Infrastructure
dx5401-b0 firmwarezyxelNetworking Infrastructure
DX5401-B0Zyxel Communications Corp.Networking Infrastructure
zyxelcommercialTWNetworking Infrastructureaka zyxel communications corp.
zyxel communications corp.commercialTWNetworking Infrastructure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities
zyxel.com
https://levelblue.com/blogs/labs-research/ngioweb-remains-active-7-years-later
levelblue.com

Timeline

Published
Apr 27, 2023
Last Updated
Nov 21, 2024

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