NVD disclosure day

Published threat advisories for November 18, 2025

CVE advisoryCRITICAL

CVE-2025-65015

joserfc JWT Parsing Allows Large Log Messages

Halo Surface Signal: 3 out of 5 — possibly public-facing.

A vulnerability exists in the joserfc Python library, potentially allowing attackers to send overly large tokens that can overwhelm logging or diagnostic systems. This could impact application availability by causing denial of service through excessive log message generation.

CVE advisoryCRITICAL

CVE-2025-41734

METZ CONNECT EWIO2 Remote Code Execution Vulnerability

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

An unauthenticated remote attacker can execute arbitrary PHP files on affected METZ CONNECT devices, gaining full control. This vulnerability is reachable over the network, potentially impacting industrial and building automation systems. The primary concern is identifying deployed devices and their network exposure wi

CVE advisoryCRITICAL

CVE-2025-41733

Metz Connect EWIO2 Root Credentials Vulnerability.

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

An unauthenticated remote attacker can exploit a vulnerability in the commissioning wizard of affected devices to set root credentials, potentially leading to unauthorized control. This issue arises because the wizard does not validate if the device has already been initialized. Readers should care because this could a

CVE advisoryCRITICAL

CVE-2025-41346

WinPlus Authorization Bypass Allows User Impersonation

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

A security flaw in WinPlus software enables unauthorized users to impersonate others using only their numerical ID, potentially compromising account confidentiality, integrity, and availability. This vulnerability arises from faulty authorization controls, allowing attackers to access user accounts and associated data.

CVE advisoryCRITICAL

CVE-2025-40548

Serv-U Missing Validation Allows Code Execution with Admin Privileges

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

A missing validation flaw in SolarWinds Serv-U could allow an attacker with administrative privileges to execute arbitrary code. This vulnerability requires elevated access to exploit and is considered a medium risk on Windows due to default service account privileges. The product's common deployment as an internet-fac

CVE advisoryCRITICAL

CVE-2025-40547

Serv-U Logic Error Allows Code Execution via Admin Privileges

Halo Surface Signal: 2 out of 5 — less likely to be public-facing.

A logic error in Serv-U can be exploited by an attacker with administrative privileges to execute code. This vulnerability requires the attacker to already have administrative access. Exploitation is considered unlikely because administrative privileges are needed.