CVE-2023-50239
CVE-2023-50239 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-2023-55059
- Weakness: CWE-787
- Affected product: Realtek Rtl819x Jungle Software Development Kit
- Published:
- Last modified:
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 `interfacename` request's parameter.
Frequently asked questions
- What is CVE-2023-50239?
- 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 `interfacename` request's parameter.
- How severe is CVE-2023-50239?
- CVE-2023-50239 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-2023-50239 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-2023-50239?
- CVE-2023-50239 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-2023-50239?
- 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-2023-50239 have an EU (EUVD) identifier?
- Yes. CVE-2023-50239 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-55059.
- When was CVE-2023-50239 published?
- CVE-2023-50239 was published on 2024-07-08 and last updated on 2026-06-17.
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1893
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1893
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:*:*:*:*:*:*:*
More vulnerabilities in Realtek Rtl819x Jungle Software Development Kit
- CVE-2021-35395 — Critical (CVSS 9.8): Realtek Jungle SDK version v2.x up to v3.4.14B provides an HTTP web server exposing a management interface that can be…
- CVE-2021-35394 — Critical (CVSS 9.8): Realtek Jungle SDK version v2.x up to v3.4.14B provides a diagnostic tool called 'MP Daemon' that is usually compiled…
- CVE-2021-35393 — Critical (CVSS 9.8): Realtek Jungle SDK version v2.x up to v3.4.14B provides a 'WiFi Simple Config' server that implements both UPnP and…
- CVE-2023-47677 — High (CVSS 8.8): A cross-site request forgery (csrf) vulnerability exists in the boa CSRF protection functionality of Realtek rtl819x…
- CVE-2021-35392 — High (CVSS 7.5): Realtek Jungle SDK version v2.x up to v3.4.14B provides a 'WiFi Simple Config' server that implements both UPnP and…
- CVE-2024-21778 — High (CVSS 7.2): A heap-based buffer overflow vulnerability exists in the configuration file mib_init_value_array functionality of…
All CVEs affecting Realtek Rtl819x Jungle Software Development Kit →
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