CVE-2026-42026
Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup…
- Risk score
- 66/100
- CVSS
- 9.1 v3.1
- Exploit chance (30 days)
- 0.8%
- Published
- 20 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Multiple stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup dhcp_dns functionality of X2000R, allowing an attacker to execute arbitrary code with a specially crafted HTTP request.
- Affected
- {'products': ['TOTOLINK-X2000R'], 'packages': [], 'versions': ['TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327']}
- Fix
- Check the linked advisory for a fix, as none is provided.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 9.1 critical
References
Original description
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.
Last activity 20 Oct 2026. Patch Forecast updates every hour.