Samsung Mobile Processor/Wearable Processor/Modem Exynos up to 9110 out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Samsung Mobile Processor, Wearable Processor and Modem Exynos up to 9110. Affected by this issue is some unknown functionality. The manipulation leads to out-of-bounds write. This vulnerability is listed as CVE-2025-27807. There is no available exploit.

Detailsinfo

A vulnerability was found in Samsung Mobile Processor, Wearable Processor and Modem Exynos up to 9110 and classified as critical. This issue affects some unknown functionality. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 9110, W920, W930, W1000, Modem 5123, Modem 5300, Modem 5400. The lack of a length check leads to out-of-bounds writes via malformed NAS packets.

The advisory is shared at semiconductor.samsung.com. The identification of this vulnerability is CVE-2025-27807 since 03/07/2025. The exploitation is known to be easy. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/06/2026).

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

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-0010). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Samsung Exynos

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.0
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

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

03/07/2025 CVE reserved
01/05/2026 +304 days Advisory disclosed
01/05/2026 +0 days VulDB entry created
01/06/2026 +1 days VulDB entry last update

Sourcesinfo

Vendor: samsung.com

Advisory: semiconductor.samsung.com
Status: Confirmed

CVE: CVE-2025-27807 (🔒)
GCVE (CVE): GCVE-0-2025-27807
GCVE (VulDB): GCVE-100-339593
CERT Bund: WID-SEC-2026-0010 - Samsung Exynos: Mehrere Schwachstellen

Entryinfo

Created: 01/05/2026 20:16
Updated: 01/06/2026 05:38
Changes: 01/05/2026 20:16 (52), 01/06/2026 05:38 (7)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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