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CVE-2026-57878 – Unauthenticated RCE via Stack Buffer Overflow – GeoVision GV-LPC2011 / GV-LPC221…

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Summary

CVE-2026-57878 is a critical unauthenticated stack-based buffer overflow vulnerability in the thttpd embedded web server running on GeoVision GV-LPC2011 and GV-LPC2211 License Plate Recognition (LPR) IP cameras running firmware V1.12 and earlier. A remote, unauthenticated attacker can exploit this flaw by sending a single crafted HTTP request to the camera’s web interface, with no credentials or user interaction required, potentially leading to arbitrary code execution (RCE). The vulnerability carries a CVSS v3.1 base score of 9.8 (Critical).

Technical details

  • Root cause: Insufficient bounds checking when processing web request parameters in a specific request path within the thttpd HTTP server bundled in the camera firmware.
  • Trigger condition: A remote attacker sends a crafted HTTP request containing overly long input to the camera’s web interface; no authentication or prior access is required.
  • Attack vector: Network-accessible; the thttpd web server acts as the primary management interface for these IP cameras and is routinely exposed to the internet for remote monitoring and LPR data access.
  • Impact: Successful exploitation can result in memory corruption, denial of service (DoS), or arbitrary code execution on the underlying device. The complete CVSS impact profile (C:H/I:H/A:H) indicates full compromise of confidentiality, integrity, and availability.

Affected software

  • GeoVision GV-LPC2011 – firmware V1.12 and earlier
  • GeoVision GV-LPC2211 – firmware V1.12 and earlier

Severity

  • CVSS v3.1 Base Score: 9.8 (Critical)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and recommended actions

  • Patch: Upgrade affected devices to firmware V1.13 or later, which resolves this vulnerability. Firmware updates are available through GeoVision’s official security advisory page.
  • If immediate patching is not possible:
    • Restrict network access to the thttpd web interface at the firewall or network perimeter level; block inbound HTTP/HTTPS access to affected cameras from untrusted networks and the public internet.
    • Place affected cameras behind a VPN or network access control (NAC) boundary to limit exposure to trusted administrators only.
    • Monitor for anomalous HTTP traffic directed at camera management interfaces.

IONIX Status

The IONIX research team is tracking ongoing exploitation attempts and recommends immediate patching. Potentially affected assets are outlined in this post.

References

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