Is CVE-2026-25654 actively exploited?

No active exploitation of CVE-2026-25654 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-25654 be exploited remotely?

Yes. CVE-2026-25654 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-25654?

CVE-2026-25654 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2026-25654

HIGH

CVE-2026-25654

CWE-639Published: April 14, 2026· Updated: Apr 17, 2026

8.8

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:13.6th

Official Description

A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP3). Affected products do not properly validate user authorization when processing password reset requests. This could allow an authenticated remote attacker to bypass authorization checks, leading to the ability to reset the password of any arbitrary user account.

NVD Source

Technical Analysis

CVE-2026-25654 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.Low

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time

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News & Research Mentioning CVE-2026-25654

Siemens SINEC NMS

CISA Alerts· Apr 21, 2026

View CSAF Summary SINEC NMS before V4.0 SP3 contains an Authorization Bypass vulnerability that could allow an attacker to bypass authorization checks, leading to the ability to reset the password of any arbitrary user account. Siemens has released a new version for SINEC NMS and recommends to update to the latest version. The following versions of Siemens SINEC NMS are affected: SINEC NMS CVSS Vendor Equipment Vulnerabilities v3 8.8 Siemens Siemens SINEC NMS Authorization Bypass Through User-Controlled Key Background Critical Infrastructure Sectors: Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: Germany Vulnerabilities Expand All + CVE-2026-25654 Affected products do not properly validate user authorization [xlite_meta score:63 src:CISA Alerts xlite_fp:b9436a0f07ccbe5b47ad0b0aaee16c28c5a235bd132c9f27e863e184eb5347ef]