PT-2025-21184 · Samsung · Exynos 1280+18

Ali Ranjbar + 3 · Published 2025-05-14 · Updated 2025-08-09 · CVE-2025-26784

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Samsung Mobile Processor, Wearable Processor, and Modem Exynos versions 980 through 9825 Samsung Mobile Processor, Wearable Processor, and Modem Exynos versions 990 Samsung Mobile Processor, Wearable Processor, and Modem Exynos versions 850 Samsung Mobile Processor, Wearable Processor, and Modem Exynos versions 1080 Samsung Mobile Processor, Wearable Processor, and Modem Exynos versions 2100 Samsung Mobile Processor, Wearable Processor, and Modem Exynos versions 1280 Samsung Mobile Processor, Wearable Processor, and Modem Exynos versions 2200 Samsung Mobile Processor, Wearable Processor, and Modem Exynos versions 1330 Samsung Mobile Processor, Wearable Processor, and Modem Exynos versions 1380 Samsung Mobile Processor, Wearable Processor, and Modem Exynos versions 1480 Samsung Mobile Processor, Wearable Processor, and Modem Exynos versions 2400 Samsung Mobile Processor, Wearable Processor, and Modem Exynos versions 9110 Samsung Mobile Processor, Wearable Processor, and Modem Exynos W920 Samsung Mobile Processor, Wearable Processor, and Modem Exynos W930 Samsung Mobile Processor, Wearable Processor, and Modem Exynos W1000 Samsung Mobile Processor, Wearable Processor, and Modem Modem 5123 Samsung Mobile Processor, Wearable Processor, and Modem Modem 5300 Samsung Mobile Processor, Wearable Processor, and Modem Modem 5400

Description: An issue was discovered in the NAS component of Samsung Mobile Processor, Wearable Processor, and Modem Exynos. The lack of a length check leads to out-of-bounds writes.

Recommendations: For Samsung Mobile Processor, Wearable Processor, and Modem Exynos versions 980 through 9825, consider disabling the NAS component until a patch is available. For Samsung Mobile Processor, Wearable Processor, and Modem Exynos versions 990, restrict access to the NAS component to minimize the risk of exploitation. For Samsung Mobile Processor, Wearable Processor, and Modem Exynos versions 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400, avoid using the NAS component in sensitive operations until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2025-26784

Affected Products

Exynos 1080

Exynos 1280

Exynos 1330

Exynos 1380

Exynos 1480

Exynos 2100

Exynos 2200

Exynos 2400

Exynos 850

Exynos 9110

Exynos 980

Exynos 9825

Exynos 990

Exynos W1000

Exynos W920

Exynos W930

Modem 5123

Modem 5300

Modem 5400

References · 7

• https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-26784 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-26784 · Security Note
• https://semiconductor.samsung.com/support/quality-support/product-security-updates · Vendor Advisory
• https://twitter.com/xvonfers/status/1954291663998001441 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1922764223194563069 · Twitter Post
• https://twitter.com/CVEnew/status/1922707058253758955 · Twitter Post
• https://t.me/cvenotify/126639 · Telegram Post