CVE-2023-50244: level1 wbr-6013_firmware Stack-based Buffer Overflow

Vulnerability summary

CVE-2023-50244 is a high (CVSS 7.2) Stack-based Buffer Overflow vulnerability in level1 wbr-6013_firmware. EPSS estimates a 1.41% chance of exploitation in the next 30 days, higher than 72.3% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 08-07-2024
   PublishedVulnerability first disclosed.
2. 04-11-2025
   Last modifiedVulnerability information updated.

Description

Two stack-based buffer overflow vulnerabilities exist in the boa formIpQoS functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of HTTP requests can lead to remote code execution. An attacker can send a series of HTTP requests to trigger these vulnerabilities.This stack-based buffer overflow is related to the `entry_name` request's parameter.

• 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).
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.