Vulnerability · Published Aug 28, 2025 · Assigned by VulDB

CVE-2025-9577TOTOLINK X2000R Administrative shadow.sample default credentials

Low 2.5

In plain English

A low-severity security flaw in X2000R from TOTOLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).

Severity (CVSS 3.1)2.5Low

Exploit odds (30 days)0.2%top 87.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
TOTOLINK	X2000R	2.0

Weakness: CWE-1392 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

References

VDB-321691 | TOTOLINK X2000R Administrative shadow.sample default credentials vdb-entry
VDB-321691 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #636069 | TOTOLINK Wi-Fi 6 Router X2000R-Gh-V2.0.0 Insecure Storage of Sensitive Information third-party-advisory
https://github.com/XXRicardo/iot-cve/blob/main/TOLOLINK/X2000R-Gh-V2.0.0.md related
https://github.com/XXRicardo/iot-cve/blob/main/TOLOLINK/X2000R-Gh-V2.0.0.md#steps-to-reproduce exploit
https://www.totolink.net/ product