CVE-2023-44838: dlink dir-823g_firmware Classic Buffer Overflow

Vulnerability summary

CVE-2023-44838 is a high (CVSS 7.5) Classic Buffer Overflow vulnerability in dlink dir-823g_firmware. EPSS estimates a 1.03% chance of exploitation in the next 30 days, higher than 63.4% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 05-10-2023
   PublishedVulnerability first disclosed.
2. 19-09-2024
   Last modifiedVulnerability information updated.

Description

D-Link DIR-823G A1V1.0.2B05 was discovered to contain a buffer overflow via the TXPower parameter in the SetWLanRadioSettings function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

• 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.