CVE-2025-3511
HIGHDescription
Improper Validation of Specified Quantity in Input vulnerability in Mitsubishi Electric Corporation CC-Link IE TSN Remote I/O module, CC-Link IE TSN Analog-Digital Converter module, CC-Link IE TSN Digital-Analog Converter module, CC-Link IE TSN FPGA module, CC-Link IE TSN Remote Station Communication LSI CP620 with GbE-PHY, MELSEC iQ-R Series CC-Link IE TSN Master/Local Module, MELSEC iQ-R Series Ethernet Interface Module, CC-Link IE TSN Master/Local Station Communication LSI CP610, MELSEC iQ-F Series FX5 CC-Link IE TSN Master/Local Module, MELSEC iQ-F Series FX5 Ethernet Module, MELSEC iQ-F Series FX5-ENET/IP Ethernet Module, and MELSEC iQ-R Series CPU module allows a remote unauthenticated attacker to cause a Denial of Service condition in the products by sending specially crafted UDP packets.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploit Intelligence
Moderate risk: more likely to be exploited than 56% of all known CVEs.
References
Related Vulnerabilities
Other CWE-1284 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2022-20699 | Critical | 10.0 | 72% | KEV | - |
| CVE-2021-43267 | Critical | 9.8 | 58% | - | Fix |
| CVE-2022-31629 | Medium | 6.5 | 49% | - | Fix |
| CVE-2025-9316 | Unscored | - | 36% | - | - |
| CVE-2022-36620 | High | 7.5 | 23% | - | - |
| CVE-2008-1440 | High | 7.1 | 23% | - | - |
Common questions
How do I fix CVE-2025-3511?
No published fix for CVE-2025-3511 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2025-3511 being actively exploited?
Not that we know of. CVE-2025-3511 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.88% is the estimated probability that it will be exploited in the next 30 days. That is higher than 56% of all scored CVEs.
How severe is CVE-2025-3511?
CVE-2025-3511 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
Embed a live status badge for CVE-2025-3511
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-08-27.