ICSA-26-111-09: Siemens SINEC NMS
CISA advisory · released 2026-04-14
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 2, 2026-04-21 (final)
CISA's summary
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.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | SINEC NMS | <V4.0_SP3 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2026-25654 — CVE-2026-25654 · CWE-639
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.
Acknowledgments, as the advisory lists them
- Siemens ProductCERT: reported this vulnerability to CISA.
The advisory's legal notice
The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.
Sources
DeSpy's copy of this version is dated 2026-09-28.
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