A heap-based buffer overflow vulnerability exists in the boa formUpload() functionality of X2000R (version(s):… (CVE-2026-10136)
Description
A heap-based buffer overflow vulnerability exists in the formUpload() functionality of the TOTOLINK X2000R device 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.
CVSS v3.1
Score 9.1critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-10136) is a heap-based buffer overflow in the formUpload() function of the TOTOLINK X2000R device firmware version TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. Exploitation requires an authenticated HTTP request and can result in arbitrary code execution. The CVSS v3.1 score is 9.1, indicating 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 authenticated attacker to execute arbitrary code on the affected device, potentially leading to full compromise of the system. This can result in complete loss of confidentiality, integrity, and availability of the device.
Mitigation Recommendations
No patch or official fix information is currently available. Users should monitor vendor advisories for updates. Until a fix is released, restrict authenticated access to the device's HTTP interface to trusted users only and consider additional network-level protections to limit exposure.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-6p6v-m5v6-qvwr
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-10136"]
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
Threat ID: 6ad7ec172cdf04f6566aefe4
Added to database: 10/20/2026, 22:32:55 UTC
Last enriched: 10/20/2026, 22:37:53 UTC
Last updated: 10/20/2026, 23:28:21 UTC
Views: 3
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.