CVE-2023-49255
CRITICALhongdian h8951-4g-esp_firmware < 2310271149 - Unauthenticated Privilege Escalation via Shared Session State
Title source: llmDescription
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.
References (2)
Core 2
Core References
Third Party Advisory third-party-advisory
https://cert.pl/en/posts/2024/01/CVE-2023-49253/
Third Party Advisory third-party-advisory
https://cert.pl/posts/2024/01/CVE-2023-49253/
Scores
CVSS v3
9.8
EPSS
0.0072
EPSS Percentile
48.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-306
Status
published
Products (1)
hongdian/h8951-4g-esp_firmware
< 2310271149
Published
Jan 12, 2024
Tracked Since
Feb 18, 2026