What’s Vulnerable › Vulnerabilities

CVE-2023-47856

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-07-08 · updated 2026-06-17
• Weakness: CWE-121

Description

A stack-based buffer overflow vulnerability exists in the boa set_RadvdPrefixParam 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 this vulnerability.

Affected products

• LevelOne WBR-6013: rer4_a_v3411b_2t2r_lev_09_170623
• Realtek Rtl819X Jungle Software Development Kit: 3.4.11

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2023-1892
• https://talosintelligence.com/vulnerability_reports/TALOS-2023-1892
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1892

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