What’s Vulnerable › Vulnerabilities

CVE-2025-27891

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-14 · updated 2026-06-17
• Weakness: CWE-125

Description

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

Affected products

• Samsung Exynos 1080 firmware: all versions
• Samsung Exynos 1280 firmware: all versions
• Samsung Exynos 1330 firmware: all versions
• Samsung Exynos 1380 Firmware: all versions
• Samsung Exynos 1480 Firmware: all versions
• Samsung Exynos 2100 Firmware: all versions
• Samsung Exynos 2200 Firmware: all versions
• Samsung Exynos 2400 Firmware: all versions
• Samsung Exynos 850 firmware: all versions
• Samsung Exynos 980 Firmware: all versions
• Samsung Exynos 990 Firmware: all versions
• Samsung Exynos Modem 5123 Firmware: all versions
• Samsung Exynos Modem 5300 Firmware: all versions
• Samsung Exynos Modem 5400 Firmware: all versions
• Samsung Exynos W1000 Firmware: all versions
• Samsung Exynos W920 Firmware: all versions
• Samsung Exynos W930 Firmware: all versions

References

• https://semiconductor.samsung.com/support/quality-support/product-security-updates/
• https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-27891/

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