A stack-based buffer overflow vulnerability exists in the boa formMapDelDevice hostname functionality of X2000R (version(s):… (CVE-2026-28763)
Description
A critical stack-based buffer overflow vulnerability exists in the boa formMapDelDevice hostname functionality of the TOTOLINK X2000R device version TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. This vulnerability can be triggered by an authenticated attacker sending a specially crafted HTTP request, potentially leading to arbitrary code execution.
CVSS v3.1
Score 9.1critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-28763 describes a stack-based buffer overflow in the boa formMapDelDevice hostname functionality of the TOTOLINK X2000R device firmware version TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. An attacker with authenticated HTTP access can exploit this flaw by sending a crafted request, resulting in arbitrary code execution. The vulnerability has a CVSS 3.1 score of 9.1, indicating critical severity with high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows an authenticated attacker to execute arbitrary code on the affected device, potentially compromising system confidentiality, integrity, and availability. This could lead to full control over the device.
Mitigation Recommendations
No patch or official remediation information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict authenticated access to the device's HTTP interface to trusted users only.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-5w2g-62c4-vvv7
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-28763"]
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
Threat ID: 6ad7ec172cdf04f6566aefdb
Added to database: 10/20/2026, 22:32:55 UTC
Last enriched: 10/20/2026, 22:37:17 UTC
Last updated: 10/20/2026, 23:48:11 UTC
Views: 10
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