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CVE WatchOct 20, 2026

CVE-2026-43838

A stack-based buffer overflow vulnerability in the login functionality could allow an attacker to achieve code execution.

CVSS

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No CVSS

EPSS

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KEV

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Exploit Today

0

0-100

Published: Oct 20, 2026 · Last modified: Oct 20, 2026 · CWE-121

EPSS · 30d

Not enough EPSS history yet.

Technical description

A stack-based buffer overflow vulnerability in the login functionality could allow an attacker to achieve code execution.

Official references
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CVECVSSEPSSKEVRExploitTitleMod.
CVE-2026-98699.1 CRI
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———A stack-based buffer overflow vulnerability exists in the boa formTR069Config 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.5hCVE-2026-98179.1 CRI
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———A stack-based buffer overflow vulnerability exists in the boa formUploadFile 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.5hCVE-2026-96609.1 CRI
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———Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formFilter 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 these vulnerabilities. This vulnerability deals with the vpnPassword parameter.5hCVE-2026-96599.1 CRI
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———Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup dhcp_dns 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 these vulnerabilities. This vulnerability concerns the dhcp_dns2 parameter.5hCVE-2026-420259.1 CRI
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———Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup dhcp_dns 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 these vulnerabilities. This vulnerability concerns the dhcp_dns1 parameter.5h