CVE-2023-45742: level1 wbr-6013_firmware Integer Overflow or Wraparound

Vulnerability summary

CVE-2023-45742 is a high (CVSS 7.2) Integer Overflow or Wraparound vulnerability in level1 wbr-6013_firmware. EPSS estimates a 1.18% chance of exploitation in the next 30 days, higher than 67.2% 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

An integer overflow vulnerability exists in the boa updateConfigIntoFlash functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of HTTP requests can lead to arbitrary code execution. An attacker can send a sequence of requests to trigger this vulnerability.

• CWE-190Integer Overflow or WraparoundThe product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.