CRITICAL 9.1 NVD

CVE-2026-42026

Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup dhcp_dns functionality of X2000R (version(s): TOTOLINK-X2000R-Gh

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.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2026-2396

Published: 2026-10-20 · Source: NVD · Feed updated: 2026-10-20

This critical severity vulnerability with a CVSS score of 9.1 was published on 2026-10-20 via NVD.

Risk Timeline

CVE Disclosed2026-10-20 · -1 days ago

Remediation Resources

Official Advisory

talosintelligence.com/vulnerability_reports/TALOS-2026-2396

vulnfeed aggregates 18176 vulnerabilities from NVD, CISA KEV, Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.