A stack-based buffer overflow vulnerability exists in the boa formMapDelDevice macstr functionality of X2000R (version(s):… (CVE-2026-41223)
Description
A critical stack-based buffer overflow vulnerability exists in the boa formMapDelDevice macstr functionality of the TOTOLINK X2000R router firmware version TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. An authenticated attacker can send a specially crafted HTTP request to trigger this vulnerability, potentially leading to arbitrary code execution with high impact on confidentiality, integrity, and availability.
CVSS v3.1
Score 9.1critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-41223 describes a stack-based buffer overflow in the boa web server component's formMapDelDevice macstr functionality on the TOTOLINK X2000R device running firmware version TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. The vulnerability can be exploited by an authenticated attacker via a crafted HTTP request, allowing arbitrary code execution. The CVSS 3.1 base score is 9.1, reflecting network attack vector, low attack complexity, required high privileges, no user interaction, and complete impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows an authenticated attacker to execute arbitrary code on the affected device, compromising system confidentiality, integrity, and availability. This could lead to full control over the device and disruption of its normal operation.
Mitigation Recommendations
No patch or official fix information is currently available. Since the vulnerability requires authentication, restricting access to the device's management interface and monitoring for suspicious authenticated activity can reduce risk. Check the vendor advisory regularly for updates on patches or official remediation.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-jwr7-v2px-9v33
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-41223"]
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
Threat ID: 6ad7ec142cdf04f6566aefc1
Added to database: 10/20/2026, 22:32:52 UTC
Last enriched: 10/20/2026, 22:36:31 UTC
Last updated: 10/20/2026, 23:48:20 UTC
Views: 3
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