🛡️ CVE-2026-25085 — xweb-300d-pro-firmware

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity low, availability low.

CVSS metrics in full

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

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: High — total loss, or loss the attacker controls.
• Integrity impact: Low — limited, and the attacker does not choose what is affected.
• Availability impact: Low — limited, and the attacker does not choose what is affected.

Weakness class

CVE-2026-25085 is classified as CWE-394: Unexpected Status Code or Return Value. The product does not properly check when a function or operation returns a value that is legitimate for the function, but is not expected by the product.

Affected software

CVE-2026-25085 is recorded against 3 packages.

• xweb-300d-pro-firmware (fixed in 1.12.1)
• xweb-500b-pro-firmware (fixed in 1.12.1)
• xweb-500d-pro-firmware (fixed in 1.12.1)

Timeline and source

Published on 27 February 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com
webapps.copeland.com
www.cisa.gov

Other advisories for this package

xweb-300d-pro-firmware has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2026-24695 (8.0 High, published 27 Feb 2026)
• CVE-2026-20742 (8.0 High, published 27 Feb 2026)
• CVE-2026-25196 (8.0 High, published 27 Feb 2026)
• CVE-2026-21718 (10.0 Critical, published 27 Feb 2026)
• CVE-2026-24689 (8.0 High, published 27 Feb 2026)
• CVE-2026-25195 (8.0 High, published 27 Feb 2026)
• CVE-2026-21389 (8.0 High, published 27 Feb 2026)
• CVE-2026-24663 (9.0 Critical, published 27 Feb 2026)

Same weakness in other software

These advisories are the same class of weakness (CWE-394: Unexpected Status Code or Return Value) in other software:

• CVE-2025-48510 (7.1 High, published 24 Nov 2025)
• CVE-2025-12516 (9.8 Critical, published 30 Oct 2025)
• CVE-2025-12515 (9.8 Critical, published 30 Oct 2025)
• CVE-2025-22854 (published 15 Jun 2025)
• CVE-2025-23013 (published 15 Jan 2025)
• CVE-2024-1713 (7.2 High, published 14 Mar 2024)
• CVE-2023-48429 (2.7 Low, published 12 Dec 2023)
• CVE-2023-25948 (7.5 High, published 13 Jul 2023)

Details

Affected Packages

References