Vulnerability · Published Jan 12, 2024 · Assigned by CERT-PL

CVE-2023-49255Router console accessible without authentication

Critical 9.8

In plain English

A critical-severity missing authentication in H8951-4G-ESP from Hongdian. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)0.7%top 46.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
Hongdian	H8951-4G-ESP	0 – before 2310271149

Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://cert.pl/en/posts/2024/01/CVE-2023-49253/ third-party-advisory
https://cert.pl/posts/2024/01/CVE-2023-49253/ third-party-advisory