Stack-Based Buffer Overflow in TOTOLINK X2000R Router
CVE-2026-10133

9.1CRITICAL

Key Information:

Vendor

Totolink
Status
Totolink
Vendor
CVE Published:
20 October 2026

What is CVE-2026-10133?

A stack-based buffer overflow vulnerability is present in the batchupg functionality of the TOTOLINK X2000R router, specifically in version TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. This vulnerability can be exploited through specially crafted HTTP requests, allowing an authenticated attacker to execute arbitrary code. This poses significant risks to network security, as it can enable unauthorized access and control over affected devices.

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
.