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CVE-2026-87827 is an unauthenticated remote command-execution vulnerability in certain KGUARD DVR devices using vulnerable firmware, including firmware dating from 2016. The firmware exposes a system command-execution service on all network interfaces rather than restricting it to local access. Because the service performs a critical command-execution function without authentication, a remote attacker able to reach it can submit arbitrary system commands. Reported affected devices include numerous D1004NR, D1008NR, D1016NR, D1104-series, D1108NR, D1116NR, D1132NR, D2116NR, D97xx, D98xx, and D99xx variants.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An unauthenticated remote command-execution vulnerability in vulnerable KGUARD DVR firmware. The affected service is exposed on all network interfaces, enabling a network-accessible attacker to execute arbitrary system commands and fully compromise the DVR.
An unauthenticated remote command-execution vulnerability in vulnerable KGUARD DVR firmware, caused by a command-execution service being exposed on all network interfaces. It enables complete device compromise and has been used for botnet propagation and DDoS activity.
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.