What’s Vulnerable › Vulnerabilities

CVE-2023-49255: Router console accessible without authentication

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-12 · updated 2026-06-17
• Weakness: CWE-306

Description

The router console is accessible without authentication at "data" field, and while a user needs to be logged in in order to modify the configuration, the session state is shared. If any other user is currently logged in, the anonymous user can execute commands in the context of the authenticated one. If the logged in user has administrative privileges, it is possible to use webadmin service configuration commands to create a new admin user with a chosen password.

Affected products

• Hongdian H8951-4G-ESP: before 2310271149 — fixed in 2310271149

How to fix

Upgrade to a fixed version: Hongdian H8951-4G-ESP 2310271149. Check the vendor advisory for mitigations.

References

• https://cert.pl/en/posts/2024/01/CVE-2023-49253/
• https://cert.pl/posts/2024/01/CVE-2023-49253/
• https://cert.pl/en/posts/2024/01/CVE-2023-49253/
• https://cert.pl/posts/2024/01/CVE-2023-49253/

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