How severe is CVE-2023-50240?

CVE-2023-50240 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-50240 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-50240?

CVE-2023-50240 primarily affects Realtek Rtl819x Jungle Software Development Kit. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-50240?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-50240 have an EU (EUVD) identifier?

Yes. CVE-2023-50240 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-55060.

When was CVE-2023-50240 published?

CVE-2023-50240 was published on 2024-07-08 and last updated on 2026-06-17.

CVE-2023-50240

CVE-2023-50240 is a high-severity vulnerability in Realtek Rtl819x Jungle Software Development Kit with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-55060
Weakness: CWE-787
Affected product: Realtek Rtl819x Jungle Software Development Kit
Published: 2024-07-08
Last modified: 2026-06-17

Description

Two stack-based buffer overflow vulnerabilities exist in the boa set_RadvdInterfaceParam functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger these vulnerabilities.This stack-based buffer overflow is related to the `AdvDefaultPreference` request's parameter.

Frequently asked questions

What is CVE-2023-50240?: Two stack-based buffer overflow vulnerabilities exist in the boa set_RadvdInterfaceParam functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger these vulnerabilities.This stack-based buffer overflow is related to the `AdvDefaultPreference` request's parameter.
How severe is CVE-2023-50240?: CVE-2023-50240 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-50240 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-50240?: CVE-2023-50240 primarily affects Realtek Rtl819x Jungle Software Development Kit. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-50240?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-50240 have an EU (EUVD) identifier?: Yes. CVE-2023-50240 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-55060.
When was CVE-2023-50240 published?: CVE-2023-50240 was published on 2024-07-08 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:realtek:rtl819x_jungle_software_development_kit:3.4.11:*:*:*:*:*:*:*
cpe:2.3:o:level1:wbr-6013_firmware:rer4_a_v3411b_2t2r_lev_09_170623:*:*:*:*:*:*:*

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