Critical severity9.1NVD Advisory· Published Oct 20, 2026
CVE-2026-42019
CVE-2026-42019
Description
Multiple stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup pppoe functionality of Totolink X2000R 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 pppoe_dns1 parameter.
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Affected products
1Patches
Vulnerability mechanics
References
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