Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formFilter functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an authenticated HTTP request to trigger these vulnerabilities. This vulnerability deals with the vpnUser parameter.
History

Wed, 21 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
First Time appeared Totolink
Totolink x2000r
Vendors & Products Totolink
Totolink x2000r

Tue, 20 Oct 2026 23:00:00 +0000

Type Values Removed Values Added
Title Stack-Based Buffer Overflow in Totolink X2000R boa formFilter Allows Remote Code Execution

Tue, 20 Oct 2026 20:45:00 +0000

Type Values Removed Values Added
Description Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formFilter functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an authenticated HTTP request to trigger these vulnerabilities. This vulnerability deals with the vpnUser parameter.
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: talos

Published: 2026-10-20T20:25:22.621Z

Updated: 2026-10-20T20:25:22.621Z

Reserved: 2026-05-26T21:49:56.433Z

Link: CVE-2026-9659

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-20T21:17:22.410

Modified: 2026-10-22T15:31:24.813

Link: CVE-2026-9659

cve-icon Redhat

No data.