CVE-2026-9660

CRITICALCVSS 9.1/10EPSS 0.79%

Last modified

CVE-2026-9660 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formFilter functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. EPSS estimates a 0.79% chance of exploitation in the next 30 days.

Description

Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formFilter 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 deals with the vpnPassword parameter.

Metrics

EPSS Probability
0.79%

55.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
totolinkTotolinkTOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-9660?
Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formFilter 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 deals with the vpnPassword parameter.
How severe is CVE-2026-9660?
CVE-2026-9660 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.
How do I fix CVE-2026-9660?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST