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CRITICAL · 9.8

CVE-2023-28769

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 t...

Vulnerability 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 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
ZyxelDx5401-B0 Firmware< 5.17\(abyo.1\)c0
ZyxelDx5401-B0-

Related Weaknesses (CWE)

CWE-120

References

FAQ

What is CVE-2023-28769?

CVE-2023-28769 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 t...

How severe is CVE-2023-28769?

CVE-2023-28769 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-28769?

Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Dx5401-B0 Firmware, Zyxel Dx5401-B0.