A stack-based buffer overflow vulnerability exists in the boa formTR069Config functionality of X2000R (version(s):… (CVE-2026-9869)
Description
A stack-based buffer overflow vulnerability exists in the boa formTR069Config functionality of the TOTOLINK X2000R device version TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. This vulnerability can be triggered by an authenticated HTTP request, potentially allowing arbitrary code execution.
CVSS v3.1
Score 9.1critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability is a stack-based buffer overflow in the boa formTR069Config functionality of the TOTOLINK X2000R device firmware version TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. An attacker with authenticated HTTP access can send a specially crafted request to exploit this flaw, leading to arbitrary code execution. The CVSS v3.1 score is 9.1, indicating a critical severity with network attack vector, low attack complexity, high privileges required, no user interaction, and complete confidentiality, integrity, and availability impact.
Potential Impact
Successful exploitation allows an attacker with authenticated HTTP access to execute arbitrary code on the affected device, potentially leading to full compromise of the device's confidentiality, integrity, and availability.
Mitigation Recommendations
No patch or official fix information is provided. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict authenticated HTTP access to trusted users only and monitor for unusual activity related to the formTR069Config functionality.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-vh8v-g37q-6mg8
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-9869"]
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
Threat ID: 6ad7ec0f2cdf04f6566aefa3
Added to database: 10/20/2026, 22:32:47 UTC
Last enriched: 10/20/2026, 22:34:37 UTC
Last updated: 10/21/2026, 00:28:18 UTC
Views: 4
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