What’s Vulnerable › Vulnerabilities

CVE-2023-4957: Authentication Bypass on Zebra ZTC

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-11 · updated 2026-06-17
• Weakness: CWE-288

Description

A vulnerability of authentication bypass has been found on a Zebra Technologies ZTC ZT410-203dpi ZPL printer. This vulnerability allows an attacker that is in the same network as the printer, to change the username and password for the Web Page by sending a specially crafted POST request to the setvarsResults.cgi file. For this vulnerability to be exploitable, the printers protected mode must be disabled.

Affected products

• Zebra Technologies ZTC ZT410: all versions

References

• https://www.incibe.es/en/incibe-cert/notices/aviso-sci/authentication-bypass-zebra-ztc
• https://www.incibe.es/en/incibe-cert/notices/aviso-sci/authentication-bypass-zebra-ztc

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