CVE-2025-51824
CVE-2025-51824 is a medium-severity vulnerability in Libcsp with a CVSS 3.x base score of 6.5. 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-120.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 0% (16th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-24164
- Weakness: CWE-120
- Affected product: Libcsp
- Published:
- Last modified:
Description
libcsp 2.0 is vulnerable to Buffer Overflow in the csp_usart_open() function at drivers/usart/zephyr.c.
Frequently asked questions
- What is CVE-2025-51824?
- libcsp 2.0 is vulnerable to Buffer Overflow in the csp_usart_open() function at drivers/usart/zephyr.c.
- How severe is CVE-2025-51824?
- CVE-2025-51824 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.
- Is CVE-2025-51824 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-51824?
- CVE-2025-51824 affects Libcsp. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-51824?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-51824 have an EU (EUVD) identifier?
- Yes. CVE-2025-51824 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24164.
- When was CVE-2025-51824 published?
- CVE-2025-51824 was published on 2025-08-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:libcsp:libcsp:2.0:*:*:*:*:*:*:*
More vulnerabilities in Libcsp
- CVE-2016-8598 — Critical (CVSS 9.8): Buffer overflow in the zmq interface in csp_if_zmqhub.c in the libcsp library v1.4 and earlier allows hostile computers…
- CVE-2016-8597 — Critical (CVSS 9.8): Buffer overflow in the csp_sfp_recv_fp in csp_sfp.c in the libcsp library v1.4 and earlier allows hostile components…
- CVE-2016-8596 — Critical (CVSS 9.8): Buffer overflow in the csp_can_process_frame in csp_if_can.c in the libcsp library v1.4 and earlier allows hostile…
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