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Shenzhen TVT Digital Technology Co., Ltd. NVMS-9000 firmware, used across many white-labeled DVR/NVR/IPC products, contains hardcoded API credentials and an OS command injection flaw in configuration services. The web/API interface accepts authenticated HTTP/XML requests using a fixed vendor credential string and passes attacker-controlled XML fields into shell execution contexts without proper sanitization. An attacker can use the embedded credential to access endpoints such as /editBlackAndWhiteList and inject shell metacharacters in XML parameters, leading to arbitrary command execution as root. In some device models, the same vulnerable backend is also exposed through a proprietary TCP service on port 4567 that accepts a magic GUID preface and base64-encoded XML, reaching the same command-injection sink.
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No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability in TVT DVR devices, used by the frost malware for propagation.
A critical vulnerability in TVT NVMS-9000 involving hard-coded API credentials and command injection, potentially enabling unauthorized access and remote command execution.
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.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.