Cyber Resilience

CVE-2023-50330

High

Published: 08 July 2024

Published
08 July 2024
Modified
04 November 2025
KEV Added
Patch
CVSS Score v3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.1010 93.3th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-50330 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Realtek Rtl819X Jungle Software Development Kit. Its CVSS base score is 7.2 (High).

Operationally, ranked in the top 6.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

A stack-based buffer overflow vulnerability, tracked as CVE-2023-50330 and assigned CWE-121 and CWE-787, affects the boa getInfo functionality in Realtek rtl819x Jungle SDK version 3.4.11. The flaw carries a CVSS 3.1 score of 7.2 and can be triggered by a specially crafted series of HTTP requests, potentially resulting in remote code execution.

An authenticated attacker with high privileges can send the malicious HTTP requests over the network to exploit the issue, achieving full control over the affected device with impacts to confidentiality, integrity, and availability. The EPSS score has remained flat at 0.1010 with no material rise observed after disclosure. Public advisories from Talos Intelligence detail the vulnerability under TALOS-2023-1903.

EU & UK References

Vulnerability details

A stack-based buffer overflow vulnerability exists in the boa getInfo 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…

more

trigger this vulnerability.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

realtek
rtl819x jungle software development kit
3.4.11
level1
wbr-6013 firmware
rer4_a_v3411b_2t2r_lev_09_170623

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References