CVE-2024-8748: zyxel ax7501-b0_firmware Classic Buffer Overflow

Vulnerability summary

CVE-2024-8748 is a high (CVSS 7.5) Classic Buffer Overflow vulnerability in zyxel ax7501-b0_firmware. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 43% of scored vulnerabilities.

Timeline

1. 03-12-2024
   PublishedVulnerability first disclosed.
2. 03-12-2024
   Last modifiedVulnerability information updated.

Description

A buffer overflow vulnerability in the packet parser of the third-party library "libclinkc" in Zyxel VMG8825-T50K firmware versions through V5.50(ABOM.8.4)C0 could allow an attacker to cause a temporary denial of service (DoS) condition against the web management interface by sending a crafted HTTP POST request to a vulnerable device.

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.