H3C devices running firmware version NX15V100R015 are vulnerable to unauthorized access due to insecure default credentials.

published 2025-09-18 13 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-30199

cvss: 8.0; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits: 0; none known

H3C devices running firmware version NX15V100R015 are vulnerable to unauthorized access due to insecure default credentials. The root user account has no password set, and the H3C user account uses the default password "admin," both stored in the /etc/shadow file. Attackers with network access can exploit these credentials to gain unauthorized root-level access to the device via the administrative interface or other network services, potentially leading to privilege escalation, information disclosure, or arbitrary code execution.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 13 mo ago (2025-09-19)

Exploit prediction

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/ZZ2266/.github.io/blob/main/H3C/readme.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CNA	3.1	8.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Classification

Weakness

CWE-1188 Initialization of a Resource with an Insecure Default
CWE-521 Weak Password Requirements

References

github.com /ZZ2266/.github.io/blob/main/H3C/readme.md
exploit, third-party-advisory
h3c.com /cn/d_202504/2407151_30005_0.htm
product

Sources

CVE List CVE-2025-57295
NVD CVE-2025-57295

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