CVE-2026-42026

critical · 9.1

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.

9.1

CVSS

0.5%

EPSS (exploit prob.)

43rd

EPSS percentile

2026-10-20

Published

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

Weaknesses

CWE-121

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-42026