CVE-2024-21778 - CVE House
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Status published High CVE-2024-21778

A heap-based buffer overflow vulnerability exists in the configuration file...

Vulnerability Description

A heap-based buffer overflow vulnerability exists in the configuration file mib_init_value_array functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted .dat file can lead to arbitrary code execution. An attacker can upload a malicious file to trigger this vulnerability.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Discovered by Francesco Benvenuto and Kelly Patterson of Cisco Talos.

References

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Affected Vendor

Affected Software

WBR-6013, rtl819x Jungle SDK
Vulnerable Versions:
RER4_A_v3411b_2T2R_LEV_09_170623, v3.4.11

Timeline

Official Publish: July 8th, 2024
Last Modified: November 4th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-122

MITRE ATT&CK TTPs

T1203 Exploitation for Client Execution
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion