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Vulnerability record · CVE-2023-53983 · published 30 December 2025

CVE-2023-53983: Ateme flamingo xl firmware hard-coded credentials vulnerability

Ateme · Flamingo Xl Firmware

Anevia Flamingo 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.

9.3 CVSS 4.0 Critical EPSS 0.65% · top 51.0% CWE-798 · Hard-coded credentials
9.3CVSS 4.0 base score
0.65%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
7References, 2 tagged exploit
24 Sep 2026Last modified by NVD

Description

Anevia Flamingo 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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cxsecurity.com/issue/WLB-2023060019 Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/259059 Third Party Advisory
https://packetstormsecurity.com/files/172875/Anevia-Flamingo-XL-XS-3.6.x-Default-Hardcoded-Credentials.html Third Party Advisory
https://www.ateme.com/ Product
https://www.vulncheck.com/advisories/anevia-flamingo-xlxs-default-credentials-authentication-bypass Third Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5777.php ExploitThird Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5777.php ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-53983), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.