CVE Intelligence
Medium CSRF

CVE-2026-82764 — Cross-Site Request Forgery (CSRF) in Contec ECE1000

Cross-site request forgery vulnerability exists in multiple Contec products. If a user views a specially crafted page while logged in to the affected product, unintended operations may be performed.

Published Sep 14, 2026 · Updated Oct 15, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: jpcert

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.
How the score was calculated
  • Technical severity (medium)+3

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation
Not confirmed
Not in CISA KEV — an absence of record, not proof it is unexploited.
EPSS FIRST
—
No EPSS score.
Affects
Contec
ECE1000 and 27 more
CVSS base
4.3
Medium · 2 source(s)

CISA SSVC assessment CISA

Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.

Exploitation
None
none · proof-of-concept · active
Automatable
No
can an attacker script the kill-chain steps
Technical impact
Partial
partial · total control of the vulnerable component

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

No fix documented by the sources we poll. That does not mean none exists: check the vendor advisory.

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

  1. Identify exposed assets running the affected vendor/product/version combinations (Contec ECE1000, Contec ECE1020, Contec ECS1020…).
  2. The attack is network-based and needs no privileges: restrict exposure (ACLs, VPN, WAF) until patched.
  3. No fix documented in the sources: reduce exposure and monitor the vendor advisory.
  4. Exploitation requires user interaction: tighten email/web filtering and warn affected users.
  5. Search available logs for exploit probes matching the vulnerability class (csrf), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

VendorProductVersionsStatusSource
Contec ECE1000 < 1.02 Vulnerable CVE Program (cve.org) e CISA ADP
Contec ECE1020 < 1.02 Vulnerable CVE Program (cve.org) e CISA ADP
Contec ECS1020 < 1.02 Vulnerable CVE Program (cve.org) e CISA ADP
Contec FXA3000 < 1.20.00 Vulnerable CVE Program (cve.org) e CISA ADP
Contec FXA3020 < 1.20.00 Vulnerable CVE Program (cve.org) e CISA ADP
Contec FXA3200 < 1.20.00 Vulnerable CVE Program (cve.org) e CISA ADP
Contec FXA5000 < 1.12.00 Vulnerable CVE Program (cve.org) e CISA ADP
Contec FXA5020 < 1.12.00 Vulnerable CVE Program (cve.org) e CISA ADP
Contec FXE3000 < 1.20.00 Vulnerable CVE Program (cve.org) e CISA ADP
Contec FXE3000-WP < 1.20.00 Vulnerable CVE Program (cve.org) e CISA ADP
Contec FXE4000 < 1.14.00 Vulnerable CVE Program (cve.org) e CISA ADP
Contec FXE4000-WP < 1.14.00 Vulnerable CVE Program (cve.org) e CISA ADP
Contec FXE5000 < 1.12.00 Vulnerable CVE Program (cve.org) e CISA ADP
Contec FXS300[]-CN < 1.20.00 Vulnerable CVE Program (cve.org) e CISA ADP
Contec FXS4000 < 1.14.00 Vulnerable CVE Program (cve.org) e CISA ADP
Contec FXS4020 < 1.14.00 Vulnerable CVE Program (cve.org) e CISA ADP
Contec FXS5000-[][] < 1.12.00 Vulnerable CVE Program (cve.org) e CISA ADP
Contec FXS5021 < 1.12.00 Vulnerable CVE Program (cve.org) e CISA ADP
Contec PC-HELPER Wireless I/O DIO-0404RY-LWF < 1.01.00 Vulnerable CVE Program (cve.org) e CISA ADP
Contec PC-HELPER Wireless I/O DIO-0404RY-LWF-US < 1.01.00 Vulnerable CVE Program (cve.org) e CISA ADP
Contec Programmable Remote I/O Coupler Unit (Software PLC Type) CPSN-PCB271-S1-041 < 1.61 Vulnerable CVE Program (cve.org) e CISA ADP
Contec Remote I/O Coupler Unit (EtherNet/IP Adapter) CPSN-EOB471EI-[]1 < 1.02 Vulnerable CVE Program (cve.org) e CISA ADP
Contec Remote I/O Coupler Unit (Server Type) CPSN-MCB271-* < 1.82 Vulnerable CVE Program (cve.org) e CISA ADP
Contec RP-WAH-SR1 < 1.03 Vulnerable CVE Program (cve.org) e CISA ADP
Contec RP-WAH-SR12 < 1.02 Vulnerable CVE Program (cve.org) e CISA ADP
Contec RP-WAH-SR2 < 1.03 Vulnerable CVE Program (cve.org) e CISA ADP
Contec RP-WAH-SR22 < 1.02 Vulnerable CVE Program (cve.org) e CISA ADP
Contec SGA1000 < 1.02 Vulnerable CVE Program (cve.org) e CISA ADP

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactScored by
5.1 CVSS 4.0 Medium — — vultures@jpcert.or.jp via NIST National Vulnerability Database
5.1 CVSS 4.0 Medium — — jpcert via CVE Program (cve.org) e CISA ADP
4.3 CVSS 3.0 Medium 2.8 1.4 vultures@jpcert.or.jp via NIST National Vulnerability Database
4.3 CVSS 3.0 Medium — — jpcert via CVE Program (cve.org) e CISA ADP
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N (score shown at the top: vultures@jpcert.or.jp)

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-352 · Cross-Site Request Forgery (CSRF)

Other CVEs with this weakness →

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

  • Prioritize edge telemetry for the network-reachable component (proxy, WAF, IDS/IPS).
web/proxy/WAF logsnetwork IDS/IPS

Timeline

What happened to this CVE, newest first.

  • 2026
  • Affected products added · contec co., ltd./fxa5000, contec co., ltd./fxa5020, contec co., ltd./fxe5000, contec co., ltd./fxs5000-[][], contec co.,
    Oct 15, 2026 · CVE Program (cve.org) e CISA ADP
  • SSVC assessment updated
    Oct 15, 2026 · CVE Program (cve.org) e CISA ADP
  • Record published
    Oct 15, 2026
  • CVSS changed · 4.3
    Oct 15, 2026 · NIST National Vulnerability Database
  • Source status changed · → Deferred
    Oct 15, 2026 · NIST National Vulnerability Database
  • Record created in this database
    Oct 15, 2026 · NIST National Vulnerability Database
  • CVE published
    Sep 14, 2026 · jpcert

Source activity

Repeated readings are counted rather than listed.

  • 1× Official description updated · Oct 15, 2026 – Oct 15, 2026

References

6 on the record

Elsewhere on this site

Contec
every CVE for this vendor
CSRF
same class
CWE-352
other pages naming this weakness

Related CVEs (same products)

  • CVE-2026-82769 Cross-site Scripting (XSS) in Contec RP-WAH-SR1 Sep 14, 2026
  • CVE-2026-82770 Classic Buffer Overflow in Contec RP-WAH-SR1 Sep 14, 2026
  • CVE-2026-82762 OS Command Injection in Contec FXA5000 Sep 14, 2026
  • CVE-2026-82763 Cross-site Scripting (XSS) in Contec FXA5000 Sep 14, 2026
  • CVE-2026-82765 Relative Path Traversal in Contec FXA5000 Sep 14, 2026
  • CVE-2026-82766 OS Command Injection in Contec SGA1000 Sep 14, 2026

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No FIRST EPSS score.
  • No fixed version, patch or mitigation documented.
  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2026-82764 is "Cross-Site Request Forgery (CSRF) in Contec ECE1000", rated Medium. It affects ECE1000 (Contec); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 4.3 describes technical severity. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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