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CVE-2026-12495

CRITICAL
9.2
CVSS Severity Score
EPSS Score0.0000%
EPSS Percentile0.00th
Published2026-07-27
Last Modified2026-07-27
Data SourcesNVD

Vulnerability Description

Denial-of-service (DoS) vulnerability due to a stack buffer overflow in the http_gdpr_decrypt function of the Mercusys MB115-4G device's web interface. An unauthenticated attacker could exploit this vulnerability by sending a specially crafted request to the /cgi/login endpoint, causing memory corruption and the httpd process to crash, resulting in a denial of service for the web administration service.

Affected Platforms (CPE)

No CPE configurations currently published for this record.

References & Advisories

🔗 https://www.incibe.es/en/incibe-cert/notices/aviso/stack-based-buffer-overflow-mercusys-mb115-4g

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