CVE-2025-54350
CVE-2025-54350 is a low-severity vulnerability in Es Iperf3 with a CVSS 3.x base score of 3.7. 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-617.
Key facts
- Severity: Low (CVSS 3.x base score 3.7)
- EPSS exploit prediction: 0% (32nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-23457
- Weakness: CWE-617
- Affected product: Es Iperf3
- Published:
- Last modified:
Description
In iperf before 3.19.1, iperf_auth.c has a Base64Decode assertion failure and application exit upon a malformed authentication attempt.
Frequently asked questions
- What is CVE-2025-54350?
- In iperf before 3.19.1, iperf_auth.c has a Base64Decode assertion failure and application exit upon a malformed authentication attempt.
- How severe is CVE-2025-54350?
- CVE-2025-54350 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2025-54350 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-54350?
- CVE-2025-54350 affects Es Iperf3. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-54350?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-54350 have an EU (EUVD) identifier?
- Yes. CVE-2025-54350 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23457.
- When was CVE-2025-54350 published?
- CVE-2025-54350 was published on 2025-08-03 and last updated on 2026-06-17.
References
- https://github.com/esnet/iperf/commit/4eab661da0bbaac04493fa40164e928c6df7934a
- https://github.com/esnet/iperf/releases/tag/3.19.1
- https://lists.debian.org/debian-lts-announce/2025/08/msg00020.html
Affected products (1)
- cpe:2.3:a:es:iperf3:*:*:*:*:*:*:*:*
More vulnerabilities in Es Iperf3
- CVE-2016-4303 — Critical (CVSS 9.8): The parse_string function in cjson.c in the cJSON library mishandles UTF8/16 strings, which allows remote attackers to…
- CVE-2025-54351 — High (CVSS 8.9): In iperf before 3.19.1, net.c has a buffer overflow when --skip-rx-copy is used (for MSG_TRUNC in recv).
- CVE-2024-53580 — High (CVSS 7.5): iperf v3.17.1 was discovered to contain a segmentation violation via the iperf_exchange_parameters() function.
- CVE-2023-38403 — High (CVSS 7.5): iperf3 before 3.14 allows peers to cause an integer overflow and heap corruption via a crafted length field.
- CVE-2025-54349 — Medium (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-2024-26306 — Medium (CVSS 5.9): iPerf3 before 3.17, when used with OpenSSL before 3.2.0 as a server with RSA authentication, allows a timing side…
All CVEs affecting Es Iperf3 →
Other CWE-617 (Reachable Assertion) vulnerabilities
- CVE-2020-3615 — Critical (CVSS 9.8): Valid deauth/disassoc frames is dropped in case if RMF is enabled and some rouge peer keep on sending rogue…
- CVE-2019-9795 — Critical (CVSS 9.8): A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by…
- CVE-2026-31739 — High (CVSS 8.8): In the Linux kernel, the following vulnerability has been resolved: crypto: tegra - Add missing CRYPTO_ALG_ASYNC The…
- CVE-2020-12417 — High (CVSS 8.8): Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in…
- CVE-2020-6623 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__cff_get_index.
- CVE-2020-6619 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.