Lexmark Printers Improper Input Validation (CVE-2023-26070)

critical Tenable OT Security Plugin ID 503895

Synopsis

The remote OT asset is affected by a vulnerability.

Description

An input validation vulnerability has been identified in the SNMP feature in various Lexmark devices. The vulnerability can be leveraged by an attacker to execute arbitrary code.

Solution

Refer to the vendor advisory.

Plugin Details

Severity: Critical

ID: 503895

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 11/7/2025

Updated: 11/7/2025

Supported Sensors: Tenable OT Security

Risk Information

CVSS v3

Risk Factor: Critical

Base Score: 9

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

Vulnerability Information

CPE: cpe:/o:lexmark:cs439_firmware, cpe:/o:lexmark:mb2338_firmware, cpe:/o:lexmark:cx431_firmware, cpe:/o:lexmark:mx432_firmware, cpe:/o:lexmark:xm3142_firmware, cpe:/o:lexmark:mb2546_firmware, cpe:/o:lexmark:mb2770_firmware, cpe:/o:lexmark:mx522_firmware, cpe:/o:lexmark:c2326_firmware, cpe:/o:lexmark:ms439_firmware, cpe:/o:lexmark:b2546_firmware, cpe:/o:lexmark:c2240_firmware, cpe:/o:lexmark:mx521_firmware, cpe:/o:lexmark:c4352_firmware, cpe:/o:lexmark:ms821_firmware, cpe:/o:lexmark:xm5365_firmware, cpe:/o:lexmark:b2338_firmware, cpe:/o:lexmark:ms421_firmware, cpe:/o:lexmark:xm1246_firmware, cpe:/o:lexmark:mx931_firmware, cpe:/o:lexmark:cx331_firmware, cpe:/o:lexmark:mb2236_firmware, cpe:/o:lexmark:ms431_firmware, cpe:/o:lexmark:mx721_firmware, cpe:/o:lexmark:b2236_firmware, cpe:/o:lexmark:b3442_firmware, cpe:/o:lexmark:ms725_firmware, cpe:/o:lexmark:xc9455_firmware, cpe:/o:lexmark:xc9465_firmware, cpe:/o:lexmark:xc9325_firmware, cpe:/o:lexmark:mb3442_firmware, cpe:/o:lexmark:cx930_firmware, cpe:/o:lexmark:xm5370_firmware, cpe:/o:lexmark:m5255_firmware, cpe:/o:lexmark:cs431_firmware, cpe:/o:lexmark:cx730_firmware, cpe:/o:lexmark:ms331_firmware, cpe:/o:lexmark:cx942_firmware, cpe:/o:lexmark:ms826_firmware, cpe:/o:lexmark:cs730_firmware, cpe:/o:lexmark:mx421_firmware, cpe:/o:lexmark:cs622_firmware, cpe:/o:lexmark:mc3326_firmware, cpe:/o:lexmark:cs421_firmware, cpe:/o:lexmark:c4342_firmware, cpe:/o:lexmark:xc9445_firmware, cpe:/o:lexmark:b3340_firmware, cpe:/o:lexmark:ms825_firmware, cpe:/o:lexmark:ms321_firmware, cpe:/o:lexmark:cs735_firmware, cpe:/o:lexmark:mx331_firmware, cpe:/o:lexmark:ms621_firmware, cpe:/o:lexmark:ms823_firmware, cpe:/o:lexmark:xc2326_firmware, cpe:/o:lexmark:xc9335_firmware, cpe:/o:lexmark:cs521_firmware, cpe:/o:lexmark:mb2650_firmware, cpe:/o:lexmark:c3326_firmware, cpe:/o:lexmark:c3426_firmware, cpe:/o:lexmark:mx622_firmware, cpe:/o:lexmark:m5270_firmware, cpe:/o:lexmark:xc4352_firmware, cpe:/o:lexmark:mc3426_firmware, cpe:/o:lexmark:b2865_firmware, cpe:/o:lexmark:cx931_firmware, cpe:/o:lexmark:cx943_firmware, cpe:/o:lexmark:mx321_firmware, cpe:/o:lexmark:xm1242_firmware, cpe:/o:lexmark:ms622_firmware, cpe:/o:lexmark:cx944_firmware, cpe:/o:lexmark:cs943_firmware, cpe:/o:lexmark:cs331_firmware, cpe:/o:lexmark:m1242_firmware, cpe:/o:lexmark:mx826_firmware, cpe:/o:lexmark:cx735_firmware, cpe:/o:lexmark:ms521_firmware, cpe:/o:lexmark:c3224_firmware, cpe:/o:lexmark:mx722_firmware, cpe:/o:lexmark:xm3250_firmware, cpe:/o:lexmark:mx725_firmware, cpe:/o:lexmark:m3250_firmware, cpe:/o:lexmark:mb2442_firmware, cpe:/o:lexmark:xm1342_firmware, cpe:/o:lexmark:mx431_firmware, cpe:/o:lexmark:m1246_firmware, cpe:/o:lexmark:b2650_firmware, cpe:/o:lexmark:mx822_firmware, cpe:/o:lexmark:mc3224_firmware, cpe:/o:lexmark:b2442_firmware, cpe:/o:lexmark:xm7370_firmware, cpe:/o:lexmark:xm7355_firmware, cpe:/o:lexmark:ms822_firmware, cpe:/o:lexmark:m1342_firmware, cpe:/o:lexmark:xc4342_firmware

Required KB Items: Tenable.ot/Lexmark

Patch Publication Date: 2/28/2023

Vulnerability Publication Date: 2/28/2023

Reference Information

CVE: CVE-2023-26070

CWE: 20

Detections

Analytics