High severity · published Aug 28, 2025
CVE-2025-9577
TOTOLINK X2000R Administrative shadow.sample default credentials
7.0
CVSS
0.2%
EPSS
No
On KEV
Description
A security flaw has been discovered in TOTOLINK X2000R up to 2.0.0. The affected element is an unknown function of the file /etc/shadow.sample of the component Administrative Interface. The manipulation results in use of default credentials. Attacking locally is a requirement. Attacks of this nature are highly complex. The exploitability is described as difficult. The exploit has been released to the public and may be exploited.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
X2
X2000R · TOTOLINK
2.0 · source: vendor
XF
X2000r Firmware · Totolink
2.0.0-b20230727.1043.web · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-9577
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-9577
Exploit
https://github.com/XXRicardo/iot-cve/blob/main/TOLOLINK/X2000R-Gh-V2.0.0.md
Exploit
https://github.com/XXRicardo/iot-cve/blob/main/TOLOLINK/X2000R-Gh-V2.0.0.md#steps-to-reproduce
Permissions Required
https://vuldb.com/?ctiid.321691
Third Party Advisory
https://vuldb.com/?id.321691
Third Party Advisory
https://vuldb.com/?submit.636069
Product
https://www.totolink.net/
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