🛡️ CVE-2025-40573 — scalance-lpe9403-firmware

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity high, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

• Attack vector: Local — a local account, shell or session on the host is needed.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: High — administrative rights are needed first.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: None.
• Integrity impact: High — total loss, or loss the attacker controls.
• Availability impact: None.

Weakness class

CVE-2025-40573 is classified as CWE-35: Path Traversal: '.../...//'. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '.../...//' (doubled triple dot slash) sequences that can resolve to a location that is outside of that directory.

Affected software

CVE-2025-40573 is recorded against 1 package.

• scalance-lpe9403-firmware

Timeline and source

Published on 13 May 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

cert-portal.siemens.com

Other advisories for this package

scalance-lpe9403-firmware has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2025-40576 (4.3 Medium, published 13 May 2025)
• CVE-2025-40582 (7.8 High, published 13 May 2025)
• CVE-2025-40575 (4.3 Medium, published 13 May 2025)
• CVE-2025-40581 (7.1 High, published 13 May 2025)
• CVE-2025-40574 (7.8 High, published 13 May 2025)
• CVE-2025-40580 (6.7 Medium, published 13 May 2025)
• CVE-2025-40572 (5.5 Medium, published 13 May 2025)
• CVE-2025-40579 (6.7 Medium, published 13 May 2025)

Same weakness in other software

These advisories are the same class of weakness (CWE-35: Path Traversal: '.../...//') in other software:

• CVE-2026-59115 (9.9 Critical, published 7 Aug 2026)
• CVE-2026-66695 (6.5 Medium, published 6 Aug 2026)
• CVE-2025-59181 (published 27 Jul 2026)
• CVE-2025-60835 (7.8 High, published 22 Jul 2026)
• CVE-2026-49779 (6.5 Medium, published 2 Jul 2026)
• CVE-2026-7302 (9.5 Critical, published 29 Jun 2026)
• CVE-2026-42274 (8.0 High, published 25 Jun 2026)
• GHSA-phv5-334h-mxcw (9.5 Critical, published 23 Jun 2026)

Details

Affected Packages

References