(0Day) ZTE MF286R goahead Command Injection Remote Code Execution Vulnerability

June 7th, 2023
ZDI-23-818 ZDI-CAN-19059

CVE ID

CVE-2023-25649

CVSS Score

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

Affected Vendors

ZTE

Affected Products

MF286R

Vulnerability Details

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of ZTE MF286R routers. Authentication is required to exploit this vulnerability.

The specific flaw exists within the handling of a request parameter provided to the SET_DEVICE_LED endpoint. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root.

Additional Details

ZTE has issued an update to correct this vulnerability. More details can be found at:
https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1032544

Disclosure Timeline

  • 2022-11-24 - Vulnerability reported to vendor
  • 2023-06-07 - Coordinated public release of advisory
  • 2023-08-31 - Advisory Updated

Credit

Rafal Goryl (@voix44er)

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