// For flags

CVE-2023-28770

Zyxel chained RCE using LFI and weak password derivation algorithm

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The sensitive information exposure vulnerability in the CGI “Export_Log” and the binary “zcmd” in Zyxel DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0 could allow a remote unauthenticated attacker to read the system files and to retrieve the password of the supervisor from the encrypted file.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-02-01 First Exploit
  • 2023-03-23 CVE Reserved
  • 2023-04-27 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-09-10 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Zyxel
Search vendor "Zyxel"
Dx5401-b0 Firmware
Search vendor "Zyxel" for product "Dx5401-b0 Firmware"
< 5.17\(abyo.1\)c0
Search vendor "Zyxel" for product "Dx5401-b0 Firmware" and version " < 5.17\(abyo.1\)c0"
-
Affected
in Zyxel
Search vendor "Zyxel"
Dx5401-b0
Search vendor "Zyxel" for product "Dx5401-b0"
--
Safe