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Shenzhen TVT Digital Technology NVMS-9000 firmware versions before 1.3.4 contain an authentication bypass in the NVMS-9000 control protocol. The firmware is used in numerous white-labeled DVR, NVR, and IPC products. An unauthenticated remote attacker can send a single crafted TCP payload to a reachable control port and invoke privileged administrative queries without valid credentials. Affected commands include queryBasicCfg, queryUserList, queryEmailCfg, queryPPPoECfg, and queryFTPCfg, which expose administrator credentials, configuration information, and device details.
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No public exploit code observed for this vulnerability.
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An authentication bypass affecting Shenzhen TVT NVMS-9000 firmware before version 1.3.4, including firmware used in white-labeled DVR/NVR/IPC products. Remote attackers can retrieve cleartext administrative credentials, network and service configuration, and other sensitive device information without authentication. The record assigns a CVSS v4.0 score of 8.7 (High) and tags the vulnerability as known exploited.
An unauthenticated issue in TVT NVMS-9000 versions prior to 1.3.4 that allows administrative queries and results in information disclosure.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.