CVE-2025-50671: dlink di-8003_firmware Stack-based Buffer Overflow

Vulnerability summary

CVE-2025-50671 is a high (CVSS 7.5) Stack-based Buffer Overflow vulnerability in dlink di-8003_firmware. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 40.9% of scored vulnerabilities.

Timeline

1. 08-04-2026
   PublishedVulnerability first disclosed.
2. 10-04-2026
   Last modifiedVulnerability information updated.

Description

A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 due to improper handling of parameters in the /xwgl_ref.asp endpoint. An attacker can exploit this vulnerability by sending a crafted HTTP GET request with excessively long strings in parameters name, en, user_id, shibie_name, time, act, log, and rpri.

• CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).