Vulnerability record · CVE-2018-12049 · published 8 June 2018

CVE-2018-12049: Canon lbp6030w firmware improper authentication vulnerability

Canon · Lbp6030w Firmware

A remote attacker can bypass the System Manager Mode on the Canon LBP6030w web interface without a PIN for /checkLogin.cgi via vectors involving /portal_top.html to get full access to the device. NOTE: the vendor reportedly responded that this issue occurs when a customer keeps the default settings without using the countermeasures and best practices shown in the documentation

9.8 CVSS 3.0 Critical EPSS 5.1% · top 7.9% CWE-287 · Improper authentication

9.8CVSS 3.0 base score, v2 10.0

5.1%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

4References

17 Jun 2026Last modified by NVD

Description

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Lbp6030w Firmware Canon

References

Link	Tags
https://gist.github.com/huykha/0381acb2dc580c728a79452b60fa082c	Broken LinkThird Party Advisory
https://www.exploit-db.com/exploits/44886/	Broken LinkThird Party AdvisoryVDB Entry
https://gist.github.com/huykha/0381acb2dc580c728a79452b60fa082c	Broken LinkThird Party Advisory
https://www.exploit-db.com/exploits/44886/	Broken LinkThird Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2018-12049), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.