CVE-2026-21010 | Samsung Devices Retail Mode input validation

VDB-357089 · CVE-2026-21010 · GCVE-0-2026-21010 SAMSUNG DEVICES RETAIL MODE INPUT VALIDATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.4 $0-$5k 0.57+ Summaryinfo A vulnerability was found in Samsung Devices. It has been classified as critical. The impacted element is an unknown function of the component Retail Mode. The manipulation leads to input validation. This vulnerability is traded as CVE-2026-21010. It is possible to launch the attack on the physical device. There is no exploit available. It is suggested to install a patch to address this issue. Detailsinfo A vulnerability was found in Samsung Devices (unknown version) and classified as critical. This issue affects an unknown code block of the component Retail Mode. 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 confidentiality, integrity, and availability. The summary by CVE is: Improper input validation in Retail Mode prior to SMR Apr-2026 Release 1 allows local attackers to trigger privileged functions. The advisory is shared at security.samsungmobile.com. The identification of this vulnerability is CVE-2026-21010 since 12/11/2025. The exploitation is known to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. Applying a patch is able to eliminate this problem. Productinfo Vendor Samsung Name Devices License commercial Website Vendor: https://www.samsung.com/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.6 VulDB Meta Temp Score: 6.4 VulDB Base Score: 6.6 VulDB Temp Score: 6.3 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.6 CNA Vector (SamsungMobile): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Input validation CWE: CWE-20 CAPEC: 🔒 ATT&CK: 🔒 Physical: Yes Local: Yes Remote: No Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Patch Status: 🔍 0-Day Time: 🔒 Timelineinfo 12/11/2025 CVE reserved 04/13/2026 +122 days Advisory disclosed 04/13/2026 +0 days VulDB entry created 04/13/2026 +0 days VulDB entry last update Sourcesinfo Vendor: samsung.com Advisory: security.samsungmobile.com Status: Confirmed CVE: CVE-2026-21010 (🔒) GCVE (CVE): GCVE-0-2026-21010 GCVE (VulDB): GCVE-100-357089 Entryinfo Created: 04/13/2026 08:17 Changes: 04/13/2026 08:17 (62) Complete: 🔍 Cache ID: 99:EF1:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸