Which versions of X2000r Firmware are affected by CVE-2025-9577?

CVE-2025-9577 is a low-severity vulnerability in TOTOLINK X2000R (CVSS 2.0). The limited severity suggests constrained impact, typically requiring specific conditions or local access for…

Is there a public PoC exploit available for CVE-2025-9577?

Yes, a public proof-of-concept exploit is available for CVE-2025-9577. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-9577?

During next maintenance window: Apply vendor patches when convenient. Monitor vendor channels for updates.

X2000r Firmware CVE-2025-9577

Q: What is the CVSS score of CVE-2025-9577?

CVE-2025-9577 has a CVSS 4.0 base score of 1.1 (Low). CVSS vector: 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 exploitation probability: 0.0%.

LOW

Use of Default Credentials (CWE-1392)

2025-08-28 cna@vuldb.com

Information Disclosure X2000r Firmware TOTOLINK

1.1

CVSS 4.0 · Vendor: vuldb

Severity by source

Vendor (vuldb) PRIMARY

1.1 LOW

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

Primary rating from Vendor (vuldb) · only source for this CVE.

CVSS VectorVendor: vuldb

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

CVSS changed

Apr 29, 2026 - 01:11 NVD

2.0 (LOW) 1.1 (LOW)

Analysis Generated

Mar 28, 2026 - 19:09 vuln.today

PoC Detected

Sep 09, 2025 - 19:13 vuln.today

Public exploit code

CVE Published

Aug 28, 2025 - 19:15 nvd

LOW 2.0

DescriptionCVE.org

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.

AnalysisAI

A security flaw has been discovered in TOTOLINK X2000R up to 2.0.0. Rated low severity (CVSS 2.0). Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Use of Default Credentials (CWE-1392), which allows attackers to gain access using factory-default usernames and passwords. 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 include: Totolink X2000R Firmware. Version information: up to 2.0.0..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Force credential change on first use, remove default accounts, document required credential changes.