Cyber Resilience

CVE-2023-48270

High

Published: 08 July 2024

Published
08 July 2024
Modified
04 November 2025
KEV Added
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Patch
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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 0.0053 67.6th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-48270 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 32.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A stack-based buffer overflow vulnerability exists in the boa formDnsv6 functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of network requests can lead to arbitrary code execution. An attacker can send a sequence of requests to trigger…

more

this vulnerability.

CWE(s)
CWE-121CWE-787

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.

SI-16 Memory Protection
addresses: CWE-787

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

References