Cyber Resilience

CVE-2025-9725

LowPublic PoC

Published: 31 August 2025

Published
31 August 2025
Modified
29 April 2026
KEV Added
Patch
CVSS Score v4 1.1 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0004 14.1th percentile
Risk Priority 2 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-9725 is a low-severity Use of Hard-coded Password (CWE-259) vulnerability in Cudy Lt500E Firmware. Its CVSS base score is 1.1 (Low).

Operationally, ranked at the 14.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A vulnerability was identified in Cudy LT500E up to 2.3.12. Affected is an unknown function of the file /squashfs-root/etc/shadow of the component Web Interface. The manipulation leads to use of hard-coded password. The attack must be carried out locally. The…

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attack's complexity is rated as high. The exploitability is told to be difficult. The exploit is publicly available and might be used. Upgrading to version 2.3.13 is able to address this issue. It is recommended to upgrade the affected component. The vendor explains: "[T]he firmware does store a default password of 'admin'. This password has been deprecated since LT500E firmware version 2.3.13 and is no longer used. The LT500E does not have an administrator password set by default; a new password (at least 8 characters ) must be manually created upon first login the web management page."

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

cudy
lt500e firmware
≤ 2.3.13

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-259 CWE-798

Changing default authenticators prior to first use directly prevents use of hard-coded passwords.

addresses: CWE-798 CWE-259

Intelligence programs surface reports of campaigns that abuse hard-coded credentials in products, prompting removal or replacement and thereby reducing successful exploitation.

addresses: CWE-798 CWE-259

Vetting reduces the chance a developer will deliberately insert hard-coded credentials as a backdoor or unauthorized access mechanism.

addresses: CWE-798 CWE-259

Supplier risk reviews identify and discourage hard-coded credentials in delivered products or services.

addresses: CWE-798

Enables users to notice when hard-coded credentials have been exploited for unauthorized access.

addresses: CWE-798

Security training explicitly warns against hard-coded credentials, lowering their use in systems.

addresses: CWE-798

Policy and procedures prohibit hard-coded credentials in favor of managed authentication.

addresses: CWE-798

External identity providers eliminate the need for hard-coded credentials in applications.

References