9.1

CVE-2025-27807: samsung exynos_1080_firmware Out-of-bounds Write

CVSS: 9.1v3.1CriticalAnalyzed
Published 05-01-2026Last modified 06-01-2026
Open JSON

Vulnerability summary

CVE-2025-27807 is a critical (CVSS 9.1) Out-of-bounds Write vulnerability in samsung exynos_1080_firmware. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.36%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-01-2026
    PublishedVulnerability first disclosed.
  2. 06-01-2026
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.36%

Chance of exploitation in the next 30 days

Percentile

29%

Versus all other CVEs

30-day change

+0.01 pp

From 0.36% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Samsung19 products

1 vendor · 19 products

References

2 links