A stack-based buffer overflow vulnerability exists in the boa formParentControl url functionality of X2000R (version(s):… (CVE-2026-41222)
Description
A stack-based buffer overflow vulnerability exists in the boa formParentControl URL 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
This vulnerability (CVE-2026-41222) is a stack-based buffer overflow in the boa formParentControl URL functionality of the TOTOLINK X2000R router firmware version TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. Exploitation requires an authenticated HTTP request. Successful exploitation can lead to arbitrary code execution, affecting system confidentiality, integrity, and availability. The CVSS v3.1 score is 9.1, indicating critical severity. There is no information about available patches or vendor advisories, and no known exploits in the wild have been reported.
Potential Impact
An attacker with authentication can exploit this vulnerability to execute arbitrary code on the affected device. This can compromise the device's confidentiality, integrity, and availability, potentially allowing full control over the device.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch is available, restrict authenticated access to the device's HTTP interface and monitor for suspicious activity related to formParentControl URL requests.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-h3h3-v9rc-9m3m
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-41222"]
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
Threat ID: 6ad7ec142cdf04f6566aefc6
Added to database: 10/20/2026, 22:32:52 UTC
Last enriched: 10/20/2026, 22:36:52 UTC
Last updated: 10/20/2026, 23:48:17 UTC
Views: 3
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