Detections
Analytics

EPSON Printers Improper Authentication (CVE-2022-36133)

critical Tenable OT Security Plugin ID 505069

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The WebConfig functionality of Epson TM-C3500 and TM-C7500 devices with firmware version WAM31500 allows authentication bypass.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

http://www.nessus.org/u?6c285699

https://download.epson-biz.com/modules/colorworks/

Plugin Details

Severity: Critical

ID: 505069

File Name: tenable_ot_epson_CVE-2022-36133.nasl

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 2/5/2026

Updated: 2/6/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:C

CVSS Score Source: CVE-2022-36133

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:epson:tm-c7510g_firmware:wam31500, cpe:/o:epson:tm-c3500_firmware:wam31500, cpe:/o:epson:tm-c3510_firmware:wam31500, cpe:/o:epson:tm-c7500_firmware:wam31500, cpe:/o:epson:tm-c3520_firmware:wam31500, cpe:/o:epson:tm-c7520_firmware:wam31500, cpe:/o:epson:tm-c7510_firmware:wam31500, cpe:/o:epson:tm-c7500g_firmware:wam31500, cpe:/o:epson:tm-c7520g_firmware:wam31500

Required KB Items: Tenable.ot/EPSON

Exploit Ease: No known exploits are available

Patch Publication Date: 11/25/2022

Vulnerability Publication Date: 11/25/2022

Reference Information

CVE: CVE-2022-36133

CWE: 287