How severe is CVE-2025-40735?

CVE-2025-40735 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-40735 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-40735?

CVE-2025-40735 affects Siemens Sinec Nms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-40735?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-40735 have an EU (EUVD) identifier?

Yes. CVE-2025-40735 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20434.

When was CVE-2025-40735 published?

CVE-2025-40735 was published on 2025-07-08 and last updated on 2026-06-17.

CVE-2025-40735

CVE-2025-40735 is a high-severity vulnerability in Siemens Sinec Nms with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.7
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-20434
Weakness: CWE-89
Affected product: Siemens Sinec Nms
Published: 2025-07-08
Last modified: 2026-06-17

Description

A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected devices are vulnerable to SQL injection. This could allow an unauthenticated remote attacker to execute arbitrary SQL queries on the server database.

Frequently asked questions

What is CVE-2025-40735?: A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected devices are vulnerable to SQL injection. This could allow an unauthenticated remote attacker to execute arbitrary SQL queries on the server database.
How severe is CVE-2025-40735?: CVE-2025-40735 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-40735 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-40735?: CVE-2025-40735 affects Siemens Sinec Nms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-40735?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-40735 have an EU (EUVD) identifier?: Yes. CVE-2025-40735 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20434.
When was CVE-2025-40735 published?: CVE-2025-40735 was published on 2025-07-08 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/html/ssa-078892.html

Affected products (1)

cpe:2.3:a:siemens:sinec_nms:*:*:*:*:*:*:*:*

More vulnerabilities in Siemens Sinec Nms

CVE-2025-40736 — Critical (CVSS 9.8): A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected application exposes an endpoint…
CVE-2021-39275 — Critical (CVSS 9.8): ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted…
CVE-2024-41940 — Critical (CVSS 9.1): A vulnerability has been identified in SINEC NMS (All versions < V3.0). The affected application does not properly…
CVE-2021-33725 — Critical (CVSS 9.1): A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2 Update 1). The affected system allows to…
CVE-2021-33724 — Critical (CVSS 9.1): A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2 Update 1). The affected system contains an…
CVE-2021-40438 — Critical (CVSS 9.0): A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user.…

All CVEs affecting Siemens Sinec Nms →

Other CWE-89 (SQL Injection) vulnerabilities

CVE-2026-54350 — Critical (CVSS 10.0): Budibase is an open-source low-code platform. Prior to 3.39.12, an unauthenticated visitor of any published Budibase…
CVE-2026-8054 — Critical (CVSS 10.0): Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') in the Publish Audit API endpoints…
CVE-2026-42287 — Critical (CVSS 10.0): Emlog is an open source website building system. Prior to version 2.6.11, direct SQL injection in article creation and…
CVE-2026-3325 — Critical (CVSS 10.0): SQL injection (SQLi) in MegaCMS v12.0.0, specifically in the “id_territorio” parameter of the…
CVE-2025-10878 — Critical (CVSS 10.0): A SQL injection vulnerability exists in the login functionality of Fikir Odalari AdminPando 1.0.1 before 2026-01-26.…
CVE-2025-57792 — Critical (CVSS 10.0): Explorance Blue versions prior to 8.14.9 contain a SQL injection vulnerability caused by insufficient validation of…

Browse all CWE-89 (SQL Injection) vulnerabilities →