CVE-2023-49255

Name: CVE-2023-49255
Creator: NVD / NIST
Published: 2024-01-12T15:15:09.083+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.72%

Last modified Jun 17, 2026

CVE-2023-49255 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.72%

49.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Hongdian	H8951-4g-Esp Firmware	< 2310271149

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
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

Timeline

Published: Jan 12, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-49255?

How severe is CVE-2023-49255?

CVE-2023-49255 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2023-49255?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-49255?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST