InfoSecBulletin Cybersecurity for mankind

Citrix has issued security updates for a critical vulnerability in NetScaler ADC that has been actively exploited. The vulnerability CVE-2025-6543 has a CVSS score of 9.2, indicating high severity. It’s a memory overflow issue that may cause control flow errors and denial-of-service. To exploit it, the appliance must be set …

SonicWall warned on Monday that unknown attackers have trojanized its SSL-VPN NetExtender application, tricking users into downloading it from fake sites. SonicWall NetExtender is an SSL‑VPN client used by companies to give remote employees secure access to their internal networks. SonicWall does not mention how prospective victims were lured to the …

A significant security vulnerability has been revealed in TeamViewer Remote Management for Windows, posing a risk of privilege escalation attacks. The CVE-2025-36537 vulnerability allows unprivileged local attackers to delete any files with SYSTEM-level authority, putting organizations using TeamViewer’s Remote Management at significant risk. Vulnerability Overview: The vulnerability, assigned a CVSS …