8.4

CVE-2025-53966: samsung exynos_1380_firmware Classic Buffer Overflow

CVSS: 8.4v3.1HighAnalyzed
Published 05-01-2026Last modified 05-01-2026
Open JSON

Vulnerability summary

CVE-2025-53966 is a high (CVSS 8.4) Classic Buffer Overflow vulnerability in samsung exynos_1380_firmware. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.8% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.4/10
010
High · v3.1 (CVE.org)
EPSS score
0.16%
0%100%
Low · 0.00 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. 05-01-2026
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Samsung Mobile Processor Exynos 1380, 1480, 2400, and 1580. Incorrect Handling of the NL80211 vendor command leads to a buffer overflow during handling of an IOCTL message.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

0.00 pp

From 0.16% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.16%

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

Samsung4 products

1 vendor · 4 products

References

2 links