Buffer overflow in GeoWebPlayer - CVE-2026-57273
Published: July 2, 2026
Vulnerability identifier: #VU136717
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-57273
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GeoVision
Affected software:
GeoWebPlayer
GeoWebPlayer
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the Websocket Server connectInfo handler functionality in username field when no key variable is provided. A remote attacker can can use a specially crafted webpage, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2026-57273
Install updates from vendor's website.