Buffer Overflow Vulnerability in TOTOLINK X2000R Product
CVE-2026-41222

9.1CRITICAL

Key Information:

Vendor

Totolink
Status
Totolink
Vendor
CVE Published:
20 October 2026

What is CVE-2026-41222?

A stack-based buffer overflow vulnerability has been identified in the boa formParentControl URL functionality of the TOTOLINK X2000R. When an attacker sends a specially crafted HTTP request, they may gain the ability to execute arbitrary code on the affected device. This vulnerability requires authentication, making it imperative for administrators to secure their devices against unauthorized access and to monitor for suspicious activity.

Affected Version(s)

Totolink TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327

References

https://talosintelligence.com/vulnerability_reports/TALOS...

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Discovered by Lilith Wyatt of Cisco Talos
.