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High severity7.2NVD Advisory· Published Sep 7, 2023· Updated Jun 17, 2026

CVE-2023-39240

CVE-2023-39240

Description

It is identified a format string vulnerability in ASUS RT-AX56U V2’s iperf client function API. This vulnerability is caused by lacking validation for a specific value within its set_iperf3_cli.cgi module. A remote attacker with administrator privilege can exploit this vulnerability to perform remote arbitrary code execution, arbitrary system operation or disrupt service.

AI Insight

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Affected products

3
  • Asus/RT-AX56U V2llm-fuzzy2 versions
    (expand)+ 1 more
    • (no CPE)
    • (no CPE)range: 3.0.0.4.386_50460
  • Asus/RT-AX55cpe-rescue
    Range: 3.0.0.4.386_50460

Patches

Vulnerability mechanics

References

1

News mentions

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