CVE-2026-4583 | Shenzhen HCC Technology MPOS M6 PLUS 1V.31-N Bluetooth authentication replay

VDB-352420 · CVE-2026-4583 · GCVE-100-352420 SHENZHEN HCC TECHNOLOGY MPOS M6 PLUS 1V.31-N BLUETOOTH AUTHENTICATION REPLAY HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.6 $0-$5k 2.10+ Summaryinfo A vulnerability described as critical has been identified in Shenzhen HCC Technology MPOS M6 PLUS 1V.31-N. This affects an unknown part of the component Bluetooth Handler. Executing a manipulation can lead to authentication replay. This vulnerability is registered as CVE-2026-4583. The attack requires access to the local network. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability was found in Shenzhen HCC Technology MPOS M6 PLUS 1V.31-N. It has been declared as critical. This vulnerability affects an unknown code block of the component Bluetooth Handler. The manipulation with an unknown input leads to a authentication replay vulnerability. The CWE definition for the vulnerability is CWE-294. A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). As an impact it is known to affect confidentiality, integrity, and availability. The advisory is shared for download at github.com. This vulnerability was named CVE-2026-4583. The exploitation appears to be difficult. Access to the local network is required for this attack. No form of authentication is required for a successful exploitation. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/22/2026). The MITRE ATT&CK project declares the attack technique as T1040. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Vendor Shenzhen HCC Technology Name MPOS M6 PLUS Version 1V.31-N CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.0 VulDB Meta Temp Score: 4.6 VulDB Base Score: 5.0 VulDB Temp Score: 4.6 VulDB Vector: 🔒 VulDB Reliability: 🔍 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: Authentication replay CWE: CWE-294 / CWE-287 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Partially Availability: 🔒 Status: Proof-of-Concept 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: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/22/2026 Advisory disclosed 03/22/2026 +0 days VulDB entry created 03/22/2026 +0 days VulDB entry last update Sourcesinfo Advisory: github.com Status: Not defined CVE: CVE-2026-4583 (🔒) GCVE (CVE): GCVE-0-2026-4583 GCVE (VulDB): GCVE-100-352420 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 03/22/2026 10:04 Changes: 03/22/2026 10:04 (53) Complete: 🔍 Submitter: davimo Cache ID: 99:B3A:101 Submitinfo Accepted Submit #775434: Shenzhen HCC Technology Co., Ltd M6PLUS MPOS M6PLUS-FW-1V.31-N Missing Anti-Replay Protection (by davimo) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸