CVE-2025-59817

highpriority · track · 0EPSS 0.002 · 16 %ileEUNLRU

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.25% (16th) EPSS

CVSS 8.4 · high

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · ncsc_nl

EPSS · scored 2026-10-27

This vulnerability allows attackers to execute arbitrary commands on the underlying system. Because the web portal runs with root privileges, successful exploitation grants full control over the device, potentially compromising its availability, confidentiality, and integrity.

cvss

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

8.4

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.4highAV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.4highCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.4highCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · cert@ncsc.nlexploitability 1.7 · impact 6

v3.17.7highCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.18.4highCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · NCSC-NL NL

ssvc

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

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-77USCWE-77USCWE-77US

affected products (6)

Products and version ranges known to be affected.

Zenitel TCIS-3+≤ <9.2.3.3enisa_euvdEU
Zenitel ICX500≤ 1.4.3fstec_bduRU
Zenitel ICX510≤ 1.4.3fstec_bduRU
Zenitel ICX500≤ vers:unknown/*ncsc_nlNL
Zenitel ICX510≤ vers:unknown/*ncsc_nlNL
Zenitel TCIS-3+≤ vers:unknown/*ncsc_nlNL

advisories (1)

Vendor and ecosystem advisories describing this.

NCSC-2025-0299Kwetsbaarheden verholpen in Zenitel ICX500 en ICX510 GatewayNL2025-09-26csaf · ncsc_nlNL
Zenitel heeft kwetsbaarheden verholpen in de ICX500 en ICX510 Gateway producten.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu ncsc_nl NVD CVE.org MITRE

published 2025-09-25modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

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