PT-2026-1321 · Samsung · Exynos 990+10

Published 2026-01-05 · Updated 2026-01-05 · CVE-2025-43706

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980 Samsung Mobile Processor, Wearable Processor, and Modem Exynos 990 Samsung Mobile Processor, Wearable Processor, and Modem Exynos 850 Samsung Mobile Processor, Wearable Processor, and Modem Exynos 1080 Samsung Mobile Processor, Wearable Processor, and Modem Exynos 2400 Samsung Mobile Processor, Wearable Processor, and Modem Exynos 1580 Samsung Mobile Processor, Wearable Processor, and Modem Exynos 9110 Samsung Mobile Processor, Wearable Processor, and Modem Exynos W920 Samsung Mobile Processor, Wearable Processor, and Modem Exynos W930 Samsung Modem 5123 Samsung Modem 5400

Description An improper handling of Radio Resource Control (RRC) packets can result in a Denial of Service condition. RRC packets are used for managing the connection between a mobile device and the network.

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

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2025-43706

Affected Products

Exynos 1080

Exynos 1580

Exynos 2400

Exynos 850

Exynos 9110

Exynos 980

Exynos 990

Exynos W920

Exynos W930

Modem 5123

Modem 5400

References · 5

• https://semiconductor.samsung.com/support/quality-support/product-security-updates · Vendor Advisory
• https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-43706 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-43706 · Security Note
• https://twitter.com/CVEnew/status/2008251289466269776 · Twitter Post
• https://t.me/CVEtracker/41409 · Telegram Post