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CVE-2026-33568

CRITICAL
9.1NVD

Summary

generated automatically from NVD data

CVE-2026-33568 is an OS command injection flaw (CWE-78) in the boa web server of the TOTOLINK X2000R, firmware TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. The issue lies in how the formMapDelDevice handler processes the macstr parameter. An authenticated attacker sending a specially crafted HTTP request could achieve arbitrary code execution. The CVSS v3.1 score is 9.1 (CRITICAL).

NVD description

A OS command injection vulnerability exists in the boa formMapDelDevice macstr functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

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EPSS · FIRST.org

1.0%probability of exploitation in the next 30 days

Higher than 63% of scored CVEs

EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-21, recomputed daily by FIRST.org.

In-depth analysis on cveo.tech

We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.

CVSS v3.1 Score

9.1
/ 10.0
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Information

Published
20 oct. 2026
Updated
20 oct. 2026
Status
Received
Source
talos-cna@cisco.com

Weaknesses (CWE)

CWE-78

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