Unprotected Alternate Channel Affecting iperf package, versions [,3.19.1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-IPERF-11483957
- published6 Aug 2025
- disclosed3 Aug 2025
- creditUnknown
Introduced: 3 Aug 2025
NewCVE-2025-54351 (opens in a new tab)How to fix?
Upgrade iperf to version 3.19.1 or higher.
Overview
Affected versions of this package are vulnerable to Unprotected Alternate Channel via the Nrecv function in the net.c file, when the --skip-rx-copy option is enabled. An attacker can execute arbitrary code or cause a denial of service by sending specially crafted network packets.