Code execution via unchecked WebSocket IP copy
Published Jul 2, 2026 · Updated Jul 2, 2026
Stack-based buffer overflow in GeoVision GeoWebPlayer 1.1.1.0 allows remote attackers to execute code via a crafted WebSocket message. The connectInfo handler copies an attacker-controlled ip JSON string byte by byte into the 256-byte conn_info.ip_or_host buffer without a length check. Exploitation requires a user to load an attacker-staged webpage that reaches the localhost WebSocket server, after which code runs in the affected process.
Summary
What happened
Stack-based buffer overflow in GeoVision GeoWebPlayer 1.1.1.0 allows remote attackers to execute code via a crafted WebSocket message. The connectInfo handler copies an attacker-controlled ip JSON string byte by byte into the 256-byte conn_info.ip_or_host buffer without a length check. Exploitation requires a user to load an attacker-staged webpage that reaches the localhost WebSocket server, after which code runs in the affected process.
The record
- CVE
- CVE-2026-57278
- Published
- Jul 2, 2026
- Updated
- Jul 2, 2026
- Vendor
- GeoVision
- Product
- GeoWebPlayer
- Classifications
- CWE-120, CAPEC-100, T1203
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jul 2, 2026CVE publishedPublication date reported by the CVE source.
- Jul 2, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=V1.1.1.0
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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