Cyber Resilience

CVE-2025-27891

Critical

Published: 14 May 2025

Published
14 May 2025
Modified
01 July 2025
KEV Added
—
Patch
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CVSS Score v3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS Score 0.0043 62.8th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-27891 is a critical-severity Out-of-bounds Read (CWE-125) vulnerability in Samsung Exynos 980 Firmware. Its CVSS base score is 9.1 (Critical).

Operationally, ranked in the top 37.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, W920, W930, W1000, Modem 5123, Modem 5300, Modem 5400. The lack of a length check leads…

more

to out-of-bounds reads via malformed NAS packets.

CWE(s)
CWE-125

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

samsung
exynos 980 firmware
all versions
samsung
exynos 990 firmware
all versions
samsung
exynos 850 firmware
all versions
samsung
exynos 1080 firmware
all versions
samsung
exynos 2100 firmware
all versions
samsung
exynos 1280 firmware
all versions
samsung
exynos 2200 firmware
all versions
samsung
exynos 1330 firmware
all versions
samsung
exynos 1380 firmware
all versions
samsung
exynos 1480 firmware
all versions
+7 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References