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Vulnerability record · CVE-2017-7575 · published 6 April 2017

CVE-2017-7575: Schneider-electric modicon tm221ce16r firmware information exposure vulnerability

Schneider Electric · Modicon Tm221ce16r Firmware

Schneider Electric Modicon TM221CE16R 1.3.3.3 devices allow remote attackers to discover the application-protection password via a \x00\x01\x00\x00\x00\x05\x01\x5a\x00\x03\x00 request to the Modbus port (502/tcp). Subsequently the application may be arbitrarily downloaded, modified, and uploaded.

9.8 CVSS 3.1 Critical EPSS 4.0% · top 9.8% CWE-200 · Information exposure
9.8CVSS 3.1 base score, v2 5.0
4.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Schneider Electric Modicon TM221CE16R 1.3.3.3 devices allow remote attackers to discover the application-protection password via a \x00\x01\x00\x00\x00\x05\x01\x5a\x00\x03\x00 request to the Modbus port (502/tcp). Subsequently the application may be arbitrarily downloaded, modified, and uploaded.

CVSS:3.1/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.

References

LinkTags
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2017-097-02
http://www.securityfocus.com/bid/97523 Third Party AdvisoryVDB Entry
https://os-s.net/advisories/OSS-2017-01.pdf ExploitThird Party Advisory
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2017-097-02
http://www.securityfocus.com/bid/97523 Third Party AdvisoryVDB Entry
https://os-s.net/advisories/OSS-2017-01.pdf ExploitThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2017-7575), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.