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Fencer Vulns
low 2.5

CVE-2025-9725 json

Cudy LT500E Web shadow hard-coded password

published 2025-08-31 14 mo ago modified 2026-10-18 21 d ago also EUVD-2025-26291

cvss
2.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

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."

Patch / fix

  • Cudy LT500E 2.3.13

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
14 mo ago

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/XXRicardo/iot-cve/blob/main/CUDY/LT500E-R42-2.3.13.md referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/XXRicardo/iot-cve/blob/main/CUDY/LT500E-R42-2.3.13.md#steps-to-reproduce referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 2.0 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
CNA 3.1 2.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
CNA 3.0 2.5 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
CNA 2.0 1.0 AV:L/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:OF/RC:C
CNA 4.0 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
CNA 3.1 2.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 2.0 1.0 AV:L/AC:H/Au:S/C:P/I:N/A:N

Affected products

  • Cudy LT500E

Classification

Weakness
  • CWE-259 Use of Hard-coded Password
  • CWE-255 Credentials Management Errors
  • CWE-798 Use of Hard-coded Credentials

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.