No exploitation reportedFix available

CVE-2017-16741

No exploitation reported by the sources we read.

Published2018-01-12
WeaknessCWE-200

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An Information Exposure issue was discovered in PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, and 48xxx Series products running firmware Version 1.0 to 1.32. A remote unauthenticated attacker may be able to use Monitor Mode on the device to read diagnostic information.

Timeline

dates in UTC

2018-01-1220:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-16741?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-16741?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Phoenixcontact fl switch 3004t-fx firmwareversion to verify

Branch	Affected	Fixed in	Source
1.x	≥ 1.0, ≤ 1.32	no fix published	NVD

Phoenixcontact fl switch 3004t-fx st firmwareversion to verify

Branch	Affected	Fixed in	Source
1.x	≥ 1.0, ≤ 1.32	no fix published	NVD

Phoenixcontact fl switch 3005 firmwareversion to verify

Branch	Affected	Fixed in	Source
1.x	≥ 1.0, ≤ 1.32	no fix published	NVD

26 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-18-011-03 CISA27 known affected
PHOENIX CONTACT FL SWITCH
FL SWITCH 3006T-2FX SM: firmware Version 1.0 to 1.32 are affected · FL SWITCH 4012T-2GT-2FX ST: firmware Version 1.0 to 1.32 are affected · FL SWITCH 4808E-16FX-4G: firmware Version 1.0 to 1.32 are affectedC · +24 more

Full record on NVD

Fix

Mitigation from the vendor CISA ICSA-18-011-03 · 27 productsFL SWITCH 3005: PHOENIX CONTACT recommends that affected users upgrade to firmware Version 1.33 or higher
Mitigation from the vendor CISA ICSA-18-011-03 · 27 productsFL SWITCH 3005T: PHOENIX CONTACT recommends that affected users upgrade to firmware Version 1.33 or higher
Mitigation from the vendor CISA ICSA-18-011-03 · 27 productsFL SWITCH 3004T-FX PHOENIX CONTACT recommends that affected users upgrade to firmware Version 1.33 or higher
Mitigation from the vendor CISA ICSA-18-011-03 · 27 productsFL SWITCH 3004T-FX ST PHOENIX CONTACT recommends that affected users upgrade to firmware Version 1.33 or higher
Mitigation from the vendor CISA ICSA-18-011-03 · 27 productsFL SWITCH 3008 PHOENIX CONTACT recommends that affected users upgrade to firmware Version 1.33 or higher
Mitigation from the vendor CISA ICSA-18-011-03 · 27 productsFL SWITCH 3008T PHOENIX CONTACT recommends that affected users upgrade to firmware Version 1.33 or higher

Advisories and patches

ics-cert.us-cert.govPatch

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.05.3read 2026-10-23
NVDCVSS 2.05read 2026-10-23
CNAweakness (CWE)CWE-200read 2026-10-23
NVDweakness (CWE)CWE-200read 2026-10-23
FIRST EPSSEPSS score1.2 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Published: 2018-01-12
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2017-16741?

Is CVE-2017-16741 actively exploited?

Active exploitation of CVE-2017-16741 has not been confirmed. Its EPSS score was 1.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-16741?

CVE-2017-16741 has a CVSS v3 base score of 5.3 (MEDIUM severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

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Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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