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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 …

Info
CVECVE-2026-12495
First seen2026-07-28 08:30 UTC
Disclosed2026-07-27 12:16 UTC
Last updated2026-07-28 08:30 UTC
Channel statusauto

Summary

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.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Lint boundary warnings (1)

The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://www.incibe.es/en/incibe-cert/notices/aviso/stack-based-buffer-overflow-mercusys-mb115-4g

Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD