Secuno
ENNL
Book demo

CVE-2025-27807

Samsung Exynos 1080 Firmware buffer overflow

9.1 CRITICALEPSS 0.36%
  1. Published5 Jan 2026

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, 1580, 9110, W920, W930, W1000, Modem 5123, Modem 5300, Modem 5400. The lack of a length check leads to out-of-bounds writes via malformed NAS packets.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products

Samsung Exynos 1080 Firmwareall versions
Samsung Exynos 1280 Firmwareall versions
Samsung Exynos 1330 Firmwareall versions
Samsung Exynos 1380 Firmwareall versions
Samsung Exynos 1480 Firmwareall versions
Samsung Exynos 1580 Firmwareall versions
Samsung Exynos 2100 Firmwareall versions
Samsung Exynos 2200 Firmwareall versions
Samsung Exynos 2400 Firmwareall versions
Samsung Exynos 850 Firmwareall versions
Samsung Exynos 9110 Firmwareall versions
Samsung Exynos 980 Firmwareall versions
Samsung Exynos 990 Firmwareall versions
Samsung Exynos W1000 Firmwareall versions
Samsung Exynos W920 Firmwareall versions
Samsung Exynos W930 Firmwareall versions
Samsung Modem 5123 Firmwareall versions
Samsung Modem 5300 Firmwareall versions
Samsung Modem 5400 Firmwareall versions

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-1078158.5
MariaDB server is a community developed fork of MySQL server. From 10.6.1 until…
CVE-2026-195708.8
The LE Audio Broadcast Sink in subsys/bluetooth/audio/bap_broadcast_sink.c copies…
CVE-2026-1079099.1
A heap-based out-of-bounds write in the ws_read_frame function (src/bolt/ws.c) and the…
CVE-2026-1079089.8
A heap-based out-of-bounds write in the BoltReadHandler function (src/bolt/bolt_api.c)…
CVE-2026-823448.1
IBM Guardium Data Protection 12.0, 12.1 is vulnerable to a heap-based buffer overflow…
CVE-2026-823358.1
IBM Guardium Data Protection 12.0, 12.1, 12.2 is vulnerable to a heap-based buffer…

Frequently asked

Is CVE-2025-27807 being actively exploited?

CVE-2025-27807 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.36%.

How severe is CVE-2025-27807?

CVE-2025-27807 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.36% probability of exploitation.

Which products are affected by CVE-2025-27807?

Affected products include Samsung Exynos 1080 Firmware, Samsung Exynos 1280 Firmware, Samsung Exynos 1330 Firmware, Samsung Exynos 1380 Firmware, Samsung Exynos 1480 Firmware, and 14 more.

How do I fix CVE-2025-27807?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-27807 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.