Creacast Creabox Manager contains a critical authentication flaw that allows an attacker to bypass login validation.

published 2025-09-22 13 mo ago modified 2026-11-05 3 d ago also EUVD-2025-30801

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits: 0; none known

Creacast Creabox Manager contains a critical authentication flaw that allows an attacker to bypass login validation. The system grants access when the username is creabox and the password begins with the string creacast, regardless of what follows.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 13 mo ago (2025-09-22)

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-57434 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Classification

Weakness

CWE-798 Use of Hard-coded Credentials
CWE-287 Improper Authentication

References

github.com /shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-57434
exploit, third-party-advisory
creacast.com /
product

Sources

CVE List CVE-2025-57434
NVD CVE-2025-57434

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary