Which versions of Wa300 Firmware are affected by CVE-2026-2167?

Organizations using A vulnerability should be aware of moderate risk from CVE-2026-2167, a command injection vulnerability rated CVSS 6.3.

Is there a public PoC exploit available for CVE-2026-2167?

Yes, a public proof-of-concept exploit is available for CVE-2026-2167. Prioritise patching immediately. EPSS: 2.7%.

How to fix or mitigate CVE-2026-2167?

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

Wa300 Firmware CVE-2026-2167

Q: What is the CVSS score of CVE-2026-2167?

CVE-2026-2167 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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: 2.7%.

LOW

Command Injection (CWE-77)

2026-02-08 cna@vuldb.com

Command Injection Wa300 Firmware TOTOLINK

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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 NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

6.3 (MEDIUM) 2.1 (LOW)

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Feb 11, 2026 - 18:43 vuln.today

Public exploit code

CVE Published

Feb 08, 2026 - 17:15 nvd

MEDIUM 6.3

DescriptionCVE.org

A vulnerability was detected in Totolink WA300 5.2cu.7112_B20190227. The impacted element is the function setAPNetwork of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument Ipaddr results in os command injection. The attack may be performed from remote. The exploit is now public and may be used.

AnalysisAI

OS command injection in Totolik WA300 firmware via the setAPNetwork function allows authenticated remote attackers to execute arbitrary commands with network access. Public exploit code exists for this vulnerability, and no patch is currently available. The flaw affects firmware version 5.2cu.7112_B20190227 and impacts the /cgi-bin/cstecgi.cgi endpoint through manipulation of the Ipaddr parameter.

Technical ContextAI

Classified as CWE-77 (Command Injection). Affects Wa300 Firmware. A vulnerability was detected in Totolink WA300 5.2cu.7112_B20190227. The impacted element is the function setAPNetwork of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument Ipaddr results in os command injection. The attack may be performed from remote. The exploit is now public and may be used.