7.5
HIGH CVSS 3.1
CVE-2025-26782
Samsung Exynos RLC AM PDU Denial of Service Vulnerability
Description

An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 9110, W920, W930, Modem 5123, and Modem 5300. Incorrect handling of RLC AM PDUs leads to a Denial of Service.

INFO

Published Date :

Oct. 20, 2025, 4:15 p.m.

Last Modified :

Oct. 28, 2025, 7:35 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2025-26782 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Samsung exynos_980_firmware
2 Samsung exynos_850_firmware
3 Samsung exynos_1080_firmware
4 Samsung exynos_2100_firmware
5 Samsung exynos_2200_firmware
6 Samsung exynos_1280_firmware
7 Samsung exynos_1380_firmware
8 Samsung exynos_1330_firmware
9 Samsung exynos_9110_firmware
10 Samsung exynos_w920_firmware
11 Samsung exynos_980
12 Samsung exynos_990_firmware
13 Samsung exynos_990
14 Samsung exynos_850
15 Samsung exynos_1080
16 Samsung exynos_2100
17 Samsung exynos_2200
18 Samsung exynos_1280
19 Samsung exynos_1380
20 Samsung exynos_1330
21 Samsung exynos_9110
22 Samsung exynos_w920
23 Samsung exynos_w930_firmware
24 Samsung exynos_w930
25 Samsung exynos_1480_firmware
26 Samsung exynos_1480
27 Samsung modem_5123_firmware
28 Samsung modem_5123
29 Samsung modem_5400_firmware
30 Samsung modem_5400
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Update devices with affected Samsung Exynos modems and processors to fix Denial of Service.
  • Apply firmware updates for affected Samsung devices.
  • Ensure all processors and modems are patched.
  • Consult vendor advisories for specific instructions.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-26782.

URL Resource
https://semiconductor.samsung.com/support/quality-support/product-security-updates/ Vendor Advisory
https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-26782/ Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-26782 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-26782 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-26782 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-26782 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Oct. 28, 2025

    Action Type Old Value New Value
    Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_w920_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_w920:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_1080_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_1080:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_980_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_980:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_990_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_990:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_850_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_850:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_2200_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_2200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_1330_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_1330:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_1380_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_1380:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_1480_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_1480:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_9110_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_9110:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:samsung:modem_5400_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:modem_5400:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:samsung:modem_5123_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:modem_5123:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_w930_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_w930:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_1280_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_1280:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_2100_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_2100:-:*:*:*:*:*:*:*
    Added Reference Type MITRE: https://semiconductor.samsung.com/support/quality-support/product-security-updates/ Types: Vendor Advisory
    Added Reference Type MITRE: https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-26782/ Types: Vendor Advisory
  • CVE Modified by [email protected]

    Oct. 21, 2025

    Action Type Old Value New Value
    Changed Description An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 9820, 9825, 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 9110, W920, W930, Modem 5123, and Modem 5300. Incorrect handling of RLC AM PDUs leads to a Denial of Service. An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 9110, W920, W930, Modem 5123, and Modem 5300. Incorrect handling of RLC AM PDUs leads to a Denial of Service.
  • New CVE Received by [email protected]

    Oct. 20, 2025

    Action Type Old Value New Value
    Added Description An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 9820, 9825, 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 9110, W920, W930, Modem 5123, and Modem 5300. Incorrect handling of RLC AM PDUs leads to a Denial of Service.
    Added Reference https://semiconductor.samsung.com/support/quality-support/product-security-updates/
    Added Reference https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-26782/
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 20, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-400
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact