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CVE-20XX-?

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CVE-2018-10731

9.0 CRITICAL 3% exploit odds Fix listed Memory safety Network gear

What it is

All Phoenix Contact managed FL SWITCH 3xxx, 4xxx, 48xx products running firmware version 1.0 to 1.33 are prone to buffer overflows when handling very large cookies (a different vulnerability than CVE-2018-10728).

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 2.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2018-05-17 19:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 01:34 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 2.6% in the next 30 days (EPSS).
Severity: 9.0 CRITICAL (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2018-05-17 19:29 UTC
Last modified: 2026-06-17 01:34 UTC
Exploit probability: 2.6% · EPSS, next 30 days
Weakness: CWE-119 · Buffer errors
Record status: Modified

Affected

Phoenixcontact Fl Switch 3005 Firmware ≤ 1.33
Phoenixcontact Fl Switch 3005t Firmware ≤ 1.33
Phoenixcontact Fl Switch 3004t-fx Firmware ≤ 1.33
Phoenixcontact Fl Switch 3004t-fx St Firmware ≤ 1.33
Phoenixcontact Fl Switch 3008 Firmware ≤ 1.33
Phoenixcontact Fl Switch 3008t Firmware ≤ 1.33
Phoenixcontact Fl Switch 3006t-2fx Firmware ≤ 1.33
Phoenixcontact Fl Switch 3006t-2fx St Firmware ≤ 1.33

Attack profile CVSS 3.0 · 9.0

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None
Scope: Changed
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2018-10731.md and follow it. Check whether this project is affected by CVE-2018-10731. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record