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    CVE-2025-54351

    In iperf before 3.19.1, net.c has a buffer overflow when --skip-rx-copy is used (for MSG_TRUNC in recv).

    Published:Aug 3, 2025
    Last Modified:Oct 17, 2025
    EPS:Aug 3, 2025
    EPSS Score:0.00062
    CVSS Score:8.9

    Affected Products

    Vendor
    Es
    Product
    Iperf3

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-420 Unprotected Alternate Channel

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-54350 (CVSS 3.7) — In iperf before 3.19.1, iperf_auth.c has a Base64Decode assertion failure and application exit upon a malforme…
    CVE-2025-54349 (CVSS 6.5) — In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.…
    CVE-2024-53580 (CVSS 7.5) — iperf v3.17.1 was discovered to contain a segmentation violation via the iperf_exchange_parameters() function.…
    CVE-2024-26306 (CVSS 5.9) — iPerf3 before 3.17, when used with OpenSSL before 3.2.0 as a server with RSA authentication, allows a timing s…
    CVE-2023-7250 (CVSS 5.3) — A flaw was found in iperf, a utility for testing network performance using TCP, UDP, and SCTP. A malicious or …
    CVE-2023-38403 (CVSS 7.5) — iperf3 before 3.14 allows peers to cause an integer overflow and heap corruption via a crafted length field.…
    CVE-2016-4303 (CVSS 9.8) — The parse_string function in cjson.c in the cJSON library mishandles UTF8/16 strings, which allows remote atta…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High