Buffer overflow in Samsung Exynos 1080

CVE-2025-54328

An issue was discovered in SMS in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. A Stack-based Buffer Overflow occurs while parsing SMS RP-DATA messages.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (41.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-54328?
CVE-2025-54328 is a critical-severity vulnerability in Samsung Exynos 1080, classified under Stack-based Buffer Overflow. CVSS score: 10.0/10. Published 2026-04-06.
How severe is CVE-2025-54328?
Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2025-54328 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.