What is the CVSS score of CVE-2025-28017?

CVE-2025-28017 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 5.3%.

Which versions of A800R Firmware are affected by CVE-2025-28017?

Organizations using TOTOLINK A800R V4.1.2cu.5032_B20200408 should be aware of notable risk from CVE-2025-28017, a command injection vulnerability rated CVSS 6.5.

Is there a public PoC exploit available for CVE-2025-28017?

Yes, a public proof-of-concept exploit is available for CVE-2025-28017. Prioritise patching immediately. EPSS: 5.3%.

How to fix or mitigate CVE-2025-28017?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

A800R Firmware CVE-2025-28017

MEDIUM

Command Injection (CWE-77)

2025-04-23 cve@mitre.org

Command Injection A800R Firmware TOTOLINK

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:38 vuln.today

PoC Detected

May 06, 2025 - 20:35 vuln.today

Public exploit code

CVE Published

Apr 23, 2025 - 17:16 nvd

MEDIUM 6.5

DescriptionCVE.org

TOTOLINK A800R V4.1.2cu.5032_B20200408 is vulnerable to Command Injection in downloadFile.cgi via the QUERY_STRING parameter.

AnalysisAI

TOTOLINK A800R V4.1.2cu.5032_B20200408 is vulnerable to Command Injection in downloadFile.cgi via the QUERY_STRING parameter. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. TOTOLINK A800R V4.1.2cu.5032_B20200408 is vulnerable to Command Injection in downloadFile.cgi via the QUERY_STRING parameter. Affected products include: Totolink A800R Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.