How severe is CVE-2025-40669?

CVE-2025-40669 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2025-40669 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-40669?

CVE-2025-40669 affects Tcman Gim. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-40669?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-40669 have an EU (EUVD) identifier?

Yes. CVE-2025-40669 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17457.

When was CVE-2025-40669 published?

CVE-2025-40669 was published on 2025-06-09 and last updated on 2026-06-17.

CVE-2025-40669

CVE-2025-40669 is a medium-severity vulnerability in Tcman Gim with a CVSS 3.x base score of 6.5. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 7.1
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-17457
Weakness: CWE-863
Affected product: Tcman Gim
Published: 2025-06-09
Last modified: 2026-06-17

Description

Incorrect authorization vulnerability in TCMAN's GIM v11. This vulnerability allows an unprivileged attacker to modify the permissions held by each of the application's users, including the user himself by sending a POST request to /PC/Options.aspx?Command=2&Page=-1.

Frequently asked questions

What is CVE-2025-40669?: Incorrect authorization vulnerability in TCMAN's GIM v11. This vulnerability allows an unprivileged attacker to modify the permissions held by each of the application's users, including the user himself by sending a POST request to /PC/Options.aspx?Command=2&Page=-1.
How severe is CVE-2025-40669?: CVE-2025-40669 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2025-40669 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-40669?: CVE-2025-40669 affects Tcman Gim. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-40669?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-40669 have an EU (EUVD) identifier?: Yes. CVE-2025-40669 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17457.
When was CVE-2025-40669 published?: CVE-2025-40669 was published on 2025-06-09 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-tcman-gim-1

Affected products (1)

cpe:2.3:a:tcman:gim:11.0:*:*:*:*:*:*:*

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Other CWE-863 (Incorrect Authorization) vulnerabilities

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CVE-2026-44330 — Critical (CVSS 10.0): free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the…
CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-863 (Incorrect Authorization) vulnerabilities →