Samsung Semiconductor Exynos Modem 5410 out-of-bounds

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5$0-$5k0.70+

Summaryinfo

A vulnerability was found in Samsung Semiconductor Exynos 1080, Exynos 1280, Exynos 1330, Exynos 1380, Exynos 1480, Exynos 1580, Exynos 1680, Exynos 2100, Exynos 2200, Exynos 2400, Exynos 2500, Exynos Modem 5123, Exynos Modem 5300, Exynos Modem 5400 and Exynos Modem 5410. It has been declared as critical. This vulnerability affects unknown code. The manipulation results in out-of-bounds. This vulnerability is identified as CVE-2026-33958. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Samsung Semiconductor Exynos 1080, Exynos 1280, Exynos 1330, Exynos 1380, Exynos 1480, Exynos 1580, Exynos 1680, Exynos 2100, Exynos 2200, Exynos 2400, Exynos 2500, Exynos Modem 5123, Exynos Modem 5300, Exynos Modem 5400 and Exynos Modem 5410. Affected is some unknown processing. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. CVE summarizes:

Processing a malformed RRC Reconfiguration message leads to an out-of-bounds (OOB) access, resulting in a denial-of-service (DoS) condition.

The advisory is available at semiconductor.samsung.com. This vulnerability is traded as CVE-2026-33958 since 03/24/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. 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: Out-of-bounds
CWE: CWE-125 / CWE-119
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-2026-33958 (🔒)

GCVE (CVE): GCVE-0-2026-33958
GCVE (VulDB): GCVE-100-431346

Entryinfo

Created: 11/05/2026 04:06
Changes: 11/05/2026 04:06 (50)
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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