PT-2026-1322 · Samsung · Exynos 1380+3

Published 2026-01-05 · Updated 2026-01-29 · CVE-2025-49495

Positive Technologies (AI Summary)

CVSS v3.1

8.4

High

Base vector

AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Samsung Mobile Processor Exynos 1380 Samsung Mobile Processor Exynos 1480 Samsung Mobile Processor Exynos 2400 Samsung Mobile Processor Exynos 1580

Description A flaw exists in the WiFi driver of Samsung Mobile Processors. Improper handling of an NL80211 vendor command can result in a buffer overflow. The vulnerability is present in the Exynos 1380, 1480, 2400, and 1580 processors. NL80211 is a networking subsystem in the Linux kernel that provides a unified interface for wireless networking drivers. A vendor command is a specific instruction sent to the WiFi driver by the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2025-49495

Affected Products

Exynos 1380

Exynos 1480

Exynos 1580

Exynos 2400

References · 6

• https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-49495 · Vendor Advisory
• https://semiconductor.samsung.com/support/quality-support/product-security-updates · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-49495 · Security Note
• https://reddit.com/r/GalaxyS21/comments/1qqh2tt/s21_firmware_security_update_downloaded_in_usa · Reddit Post
• https://twitter.com/CVEnew/status/2008251290464464948 · Twitter Post
• https://t.me/CVEtracker/41410 · Telegram Post