Samsung Semiconductor Exynos W1000 LTE RRC input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.70+

Summaryinfo

A vulnerability classified as critical was found in Samsung Semiconductor Exynos 850, Exynos 1280, Exynos 1330, Exynos 1380, Exynos 1480, Exynos 1580, Exynos 1680, Exynos 2100, Exynos 2200, Exynos 2400, Exynos 2500, Exynos Modem 5410, Exynos W920, Exynos W930 and Exynos W1000. Affected by this vulnerability is an unknown functionality of the component LTE RRC. Such manipulation leads to input validation. This vulnerability is traded as CVE-2026-33971. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Samsung Semiconductor Exynos 850, Exynos 1280, Exynos 1330, Exynos 1380, Exynos 1480, Exynos 1580, Exynos 1680, Exynos 2100, Exynos 2200, Exynos 2400, Exynos 2500, Exynos Modem 5410, Exynos W920, Exynos W930 and Exynos W1000. Affected by this issue is an unknown function of the component LTE RRC. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

In the LTE RRC component, improper handling of messages before authentication triggers a data abort, which leads to a denial‑of‑service condition.

The advisory is available at semiconductor.samsung.com. This vulnerability is handled as CVE-2026-33971 since 03/24/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/05/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/24/2026 CVE reserved
11/05/2026 +226 days Advisory disclosed
11/05/2026 +0 days VulDB entry created
11/05/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: semiconductor.samsung.com
Status: Not defined

CNA: samsungsemiconductor
CVE: CVE-2026-33971 (🔒)

GCVE (CVE): GCVE-0-2026-33971
GCVE (VulDB): GCVE-100-431354

Entryinfo

Created: 11/05/2026 04:08
Changes: 11/05/2026 04:08 (51)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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