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CVE-2026-57274 is a high-severity stack-based buffer overflow in the GeoVision GeoWebPlayer websocket server component, also referred to as Web Plugin or WS Player in related GeoVision product documentation. The flaw is in the handler for the connectionInfo command, which is used to supply camera connection parameters through the localhost-accessible websocket interface. In the vulnerable handle_connect_info logic, attacker-controlled JSON string values are copied into fixed-size stack buffers using manual byte-by-byte copy loops without enforcing length limits. The issue is specifically described as affecting the password field when no key is present. This unsafe copying can overwrite adjacent stack memory and corrupt process state.
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connectionInfo input. The vulnerable copy routines should be replaced or revised to enforce strict bounds checking on all JSON-derived string fields, particularly the password field, and safer bounded string-handling primitives should be used throughout the websocket command parser.No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A stack-based buffer overflow vulnerability in GeoVision products.
A stack-based buffer overflow vulnerability in the GeoVision GeoWebPlayer websocket server's connectionInfo/connectInfo handler, caused by copying attacker-controlled JSON strings into fixed-size buffers without length checks.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
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