No exploitation reportedFix available

CVE-2017-12741

Q: Is CVE-2017-12741 actively exploited?

Active exploitation of CVE-2017-12741 has not been confirmed. Its EPSS score was 3.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2017-12741?

CVE-2017-12741 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

No exploitation reported by the sources we read.

Published2017-12-26
WeaknessCWE-400

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

Specially crafted packets sent to port 161/udp could cause a denial of service condition. The affected devices must be restarted manually.

Timeline

dates in UTC

2017-12-2604:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 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-2017-12741?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-12741?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Siemens dk standard ethernet controller firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Siemens ek-ertec 200p firmwareversion to verify

Branch	Affected	Fixed in	Source
4.5	< 4.5	4.5	NVD

Siemens ek-ertec 200pn io firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

35 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-19-099-01 CISA1 known affected
Siemens SIMOCODE pro V EIP
Siemens SIMOCODE pro V EIP (incl. SIPLUS variants): All versions < V1.0.2
ICSA-18-128-01 CISA8 known affected
Siemens Medium Voltage SINAMICS Products (Update A)
Siemens SIMOTION D4xx V4.4 for SINAMICS SM150i-2 w. PROFINET (incl. SIPLUS variants): All versions < V4.4 HF26 · Siemens SINAMICS GH150 V4.7 w. PROFINET: All versions < V4.7 SP5 HF7 · Siemens SINAMICS GL150 V4.7 w. PROFINET: All versions < V4.8 SP2 · +5 more
ICSA-17-339-01 CISA86 known affected
Siemens Industrial Products (Update S)
Development/Evaluation Kits for PROFINET IO: DK Standard Ethernet Controller · Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200 · Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200P · +83 more

Full record on NVD

Fix

Vendor fix CISA ICSA-19-099-01 · 1 productUpdate to V1.0.2 https://support.industry.siemens.com/cs/ww/en/view/1097569122
Vendor fix CISA ICSA-18-128-01 · 1 productUpdate to V4.4 HF26 The update can be obtained from your Siemens representative or via Siemens customer service.
Vendor fix CISA ICSA-18-128-01 · 1 productUpdate to V4.7 SP5 HF7 or upgrade to V4.8 SP2. The update can be obtained from your Siemens representative or via Siemens customer service.
Vendor fix CISA ICSA-18-128-01 · 1 productUpdate to V4.7 HF31 or update to V4.8 SP2. The update can be obtained from your Siemens representative or via Siemens customer service.
Vendor fix CISA ICSA-18-128-01 · 1 productUpdate to V4.7 HF30 or upgrade to V4.8 SP2. The update can be obtained from your Siemens representative or via Siemens customer service.
Vendor fix CISA ICSA-18-128-01 · 4 productsUpgrade to V4.8 SP2. The update can be obtained from your Siemens representative or via Siemens customer service.

Detection

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

Sources

CNACVSS 4.08.7read 2026-10-23
CNACVSS 3.17.5read 2026-10-23
NVDCVSS 3.07.5read 2026-10-23
NVDCVSS 2.07.8read 2026-10-23
CNAweakness (CWE)CWE-400read 2026-10-23
FIRST EPSSEPSS score3.3 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 4.0 vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published: 2017-12-26
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2017-12741?

Specially crafted packets sent to port 161/udp could cause a denial of service condition. The affected devices must be restarted manually.

Is CVE-2017-12741 actively exploited?

Active exploitation of CVE-2017-12741 has not been confirmed. Its EPSS score was 3.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-12741?

CVE-2017-12741 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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