CVE-2025-9725: Cudy LT500E · Use of Hard-coded Password
Affects Cudy LT500ESource CVE Database V5
Public exploit available · CVSS 2.0 Low.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 29% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
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:PExploitation evidence
Disclosed: evidence found.
CVE published 31 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Cudy LT500E | Affected
| Fixed in– |
AI-suggested
To mitigate this vulnerability, European organizations should prioritize upgrading all affected Cudy LT500E devices to firmware version 2.3.13 or later, where the hard-coded password is removed and password creation is enforced on first login. Network administrators should conduct an inventory to identify devices running vulnerable firmware versions. Physical security controls should be strengthened to prevent unauthorized local access to network devices. Additionally, organizations should implement network segmentation to isolate management interfaces from general user networks, reducing the risk of local attackers reaching these devices. Enabling logging and monitoring for unusual access attempts to the web management interface can help detect potential exploitation attempts. Where possible, disable or restrict local management access and use secure management protocols. Regularly reviewing and enforcing strong password policies for device management is essential. Finally, organizations should consider deploying endpoint security solutions to detect and prevent lateral movement that could lead to local access on these devices.
Description
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 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."