GeoVision GeoWebPlayer Websocket Server connectInfo handler stack-based buffer overflow vulnerability
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
GeoWebPlayer (also called "Web Plugin" in the GV-VMS documentation and "WS Player" for VMS-Cloud) is an addon that can be installed with various GeoVision software (GV-VMS, GV-Cloud, ...). It creates a websocket server that expands the capabilities of the various web-interfaces provided by the GeoVision software and may be necessary for them to function properly. The Websocket server can accept various commands coming from localhost. One of them, `connectionInfo` is meant to provide the necessary details to connect to a camera. The handler associated with this command that we call`handle_connection_info` contains multiple instances of string copy that can overflow. The function `handle_connect_info` copies attacker-controlled JSON strings into fixed-size buffers using manual byte-by-byte loops that do not enforce length limits. #### Buffer Overflow in key field
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA GeoWebPlayer (GeoVision Inc.) Fixed in V1.1.3.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-57277
- 2026-10-03 Alias added: GHSA-v6p4-q9gr-jf3p
References
More GeoVision vulnerabilities
- TI-2024-10304 GeoVision EOL devices - OS Command Injection KEVCVSS 3.1CRITICAL 9.8
- TI-2024-05603 GeoVision EOL device - OS Command Injection KEVCVSS 3.1CRITICAL 9.8
- TI-2018-15344 GeoVision Command Injection RCE via /PictureCatch.cgi CVSS 4.0CRITICAL 10.0
- TI-2021-22411 GeoVision Geowebserver 5.3.3 - Local FIle Inclusion CVSS 4.0HIGH 8.7
- TI-2026-41681 GV-LPC2011/LPC2211 - unauthorized buffer overflow via RTSP Digest username (ssvr) CVSS 3.1CRITICAL 9.8
- TI-2026-41680 GV-LPC2011/LPC2211 - unauthorized buffer overflow via AuthMode/AuthValue path (ssvr) CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-57277 · CVE Program
- CVE-2026-57277 · NVD
- FIRST EPSS
- GHSA-v6p4-q9gr-jf3p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences