CVE-2023-28769

Critical

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductZyxel Dx5401-b0 Firmware
PublishedApr 27, 2023
First seenApr 27, 2023
Weakness typeCWE-120CWE-120

How to fix

Update
  • zyxel dx5401-b0_firmware5.17\(abyo.1\)c0 or later

Affected products

ProductAffected versionsFixed in
zyxel dx5401-b0_firmwarev < 5.17\(abyo.1\)c05.17\(abyo.1\)c0

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CVE-2023-28769 · Zyxel Dx5401-b0 Firmware · Dark Radar