CVE-2025-57295: H3C devices · Insecure Default
Source CVE Database V5
Not known to be exploited · CVSS 8.0 High.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 35% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 18 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
- Immediate verification and change of all default credentials on H3C devices, especially setting a strong, unique password for the root and H3C user accounts.
- Implement network access controls to restrict administrative interface access only to trusted management networks or IP addresses.
- Employ network segmentation to isolate critical devices from general user networks and the internet.
- Monitor network traffic and device logs for unusual authentication attempts or access patterns indicative of exploitation attempts.
- Disable unnecessary network services and administrative interfaces to reduce the attack surface.
- If possible, apply firmware updates or patches once released by H3C to address the vulnerability.
- Use multi-factor authentication (MFA) for device management interfaces if supported.
- Conduct regular security audits and vulnerability assessments on network devices to detect insecure configurations.
- Establish incident response procedures specific to network device compromise to quickly contain and remediate any breaches.
Description
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.