CVE-2026-42021
Multiple stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup static network…
- Risk score
- 63/100
- CVSS
- 9.1 v3.1
- Exploit chance (30 days)
- 0.5%
- 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 static network configuration functionality of Totolink X2000R, allowing an attacker to execute arbitrary code via 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 in the record.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 9.1 critical
References
Original description
Multiple stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup static network configuration 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 static_dns1 parameter.
Last activity 20 Oct 2026. Patch Forecast updates every hour.