SEPTEMBER 19, 2026
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Case File

CVE-2026-12495

MEDIUM · CVSS 5.3 EPSS 0.17% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-27 · Last synced 2026-08-26

CyberRota Analysis

AI-Generated

The vulnerability affects the web interface of the Mercusys MB115-4G device, specifically in the http_gdpr_decrypt function, which is susceptible to a stack buffer overflow. An unauthenticated attacker can exploit this flaw by sending a specially crafted request to the /cgi/login endpoint, leading to memory corruption and crashing the httpd process, thereby causing a denial of service for the device's web administration service. Organizations using this device should prioritize patching or mitigating this vulnerability to maintain service availability and security.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-12495
Severity
MEDIUM
CVSS
5.3
EPSS
0.17%

Original NVD 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.