CVE-2025-40765

criticalpriority · track · 0OT risk · elevatedEPSS 0.005 · 45 %ileDEEUNLUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.53% (45th) EPSS

CVSS 9.8 · critical

Is it mine?

16 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · cisa_csaf_ot · ncsc_nl

EPSS · scored 2026-10-27

A vulnerability has been identified in TeleControl Server Basic V3.1 (All versions >= V3.1.2.2 < V3.1.2.3). The affected application contains an information disclosure vulnerability. This could allow an unauthenticated remote attacker to obtain password hashes of users and to login to and perform authenticated operations of the database service.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedTeleControl Server Basic V3.1siemens_psirt
Update to V3.1.2.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109995705/
FixedTeleControl Server Basic V3.1cisa_csaf_ot
Update to V3.1.2.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109995705/
MitigationTeleControl Server Basic V3.1siemens_psirt
Restrict access to port 8000 on the affected systems to trusted IP addresses only
MitigationTeleControl Server Basic V3.1cisa_csaf_ot
Restrict access to port 8000 on the affected systems to trusted IP addresses only

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · productcert@siemens.com DEexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · Siemens ProductCERT DE

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · NCSC-NL NL

v4.09.3criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.09.3criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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:Xsecondary · productcert@siemens.com DE

v4.08.1highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/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:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USCWE-306USCWE-306USCWE-306US

affected products (16)

Products and version ranges known to be affected.

TeleControl Server Basic V3.1all versionscisa_csaf_otUS
Siemens TeleControl Server Basic V3.1≤ vers:intdot/>=3.1.2.2|<3.1.2.3cisa_csaf_otUS
Siemens TeleControl Server Basic V3.1V3.1.2.2 → V3.1.2.3enisa_euvdEU
Siemens SIMATIC CP 1542SP-1≤ vers:unknown/*ncsc_nlNL
Siemens SIMATIC CP 1542SP-1 IRC≤ vers:unknown/*ncsc_nlNL
Siemens SIMATIC CP 1543SP-1≤ vers:unknown/*ncsc_nlNL
Siemens SINEC NMS≤ vers:unknown/*ncsc_nlNL
Siemens SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL≤ vers:unknown/*ncsc_nlNL
Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC≤ vers:unknown/*ncsc_nlNL
Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL≤ vers:unknown/*ncsc_nlNL
Siemens SiPass integrated≤ vers:unknown/*ncsc_nlNL
Siemens Solid Edge SE2024≤ vers:unknown/*ncsc_nlNL
Siemens Solid Edge SE2025≤ vers:unknown/*ncsc_nlNL
Siemens TeleControl Server Basic V3.1≤ vers:unknown/*ncsc_nlNL
siemens telecontrol server basic= 3.1.2.2nvdUScpe:2.3:a:siemens:telecontrol_server_basic:*:*:*:*:*:*:*:*
Siemens TeleControl Server Basic V3.1≤ vers:intdot/>=3.1.2.2|<3.1.2.3siemens_psirtDE

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2025-0309Kwetsbaarheden verholpen in Siemens productenNL2025-10-14csaf · ncsc_nlNL
Siemens heeft kwetsbaarheden verholpen in diverse producten als SIMATIC, SINEC, SIPLUS en Solid Edge.
SSA-062309SSA-062309: Information Disclosure Vulnerability in TeleControl Server Basic V3.12025-10-14csaf · siemens_psirtDE
TeleControl Server Basic V3.1 contains an information disclosure vulnerability that could allow an unauthenticated remote attacker to obtain password hashes of users and to login to and perform authenticated operations of the database service. Siemens has released a new version for TeleControl Server Basic V3.1 and recommends to update to the latest version.
ICSA-25-289-09Siemens TeleControl Server Basic2025-10-14icsa · cisa_csaf_otUS
TeleControl Server Basic V3.1 contains an information disclosure vulnerability that could allow an unauthenticated remote attacker to obtain password hashes of users and to login to and perform authenticated operations of the database service. Siemens has released a new version for TeleControl Server Basic V3.1 and recommends to update to the latest version.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot ncsc_nl nvd siemens_psirt NVD CVE.org MITRE

published 2025-10-14modified 2026-10-23

references (3)

External citations — patches, advisories, analysis.

scry

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