CVE-2026-28763: Buffer Overflow

Published Oct 20, 2026

Updated

A stack-based buffer overflow vulnerability exists in the boa formMapDelDevice hostname 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.

Affected Software

1 affected component

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

Event History

Oct 20, 2026

CVE Published

via MITRE·08:25 PM

Data Sourced

via MITRE·08:25 PM

DescriptionSeverityWeakness

Data Sourced

via NVD·09:17 PM

DescriptionSeverityWeakness

Frequently Asked Questions

Who can exploit this vulnerability?

An attacker must be able to send an authenticated HTTP request to the affected device. The provided information does not indicate that unauthenticated attackers can trigger it.

What level of access can successful exploitation provide?

A successful exploit can lead to arbitrary code execution. The reported impact includes high confidentiality, integrity, and availability impact, with scope changed.

Which firmware version is identified as affected?

The affected version identified is TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327 for the TOTOLINK X2000R.

CVE-2026-28763: Buffer Overflow

Affected Software

Event History

Frequently Asked Questions

Who can exploit this vulnerability?

What level of access can successful exploitation provide?

Which firmware version is identified as affected?

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Frequently Asked Questions

Who can exploit this vulnerability?

What level of access can successful exploitation provide?

Which firmware version is identified as affected?