AnevFlamingo XL/XS 3.6.20 Default Credentials Authentication Bypass Severity: Critical Date: December 30, 2025 Affected Versions: - Aneflamingo XL/XS 3.6.20, 3.2.9 - TSSoapLive 2.4.1, 2.0.3 - TSSoapSystem 1.3.1 CVE ID: CVE-2023-53983 CWE ID: CWE-798 Use of Hard-coded Credentials CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N References: - Zero Science Lab Disclosure (ZSL-2023-5777) - Packet Storm Security Exploit Details - IBM X-Force Vulnerability Exchange Entry - CXSecurity Vulnerability Listing - Ateme Vendor Homepage Credit: LiquidWorm as Gjoko Krstic of Zero Science Lab Description: AnevFlamingo XL/XS 3.6.20 contains a critical vulnerability with weak default administrative credentials that can be easily guessed. Attackers can leverage these hard-coded credentials to gain full remote system control without complex authentication mechanisms.