Which versions of Lr350 Firmware are affected by CVE-2026-1149?

Organizations using A vulnerability should be aware of moderate risk from CVE-2026-1149, a injection vulnerability rated CVSS 6.3.

Is there a public PoC exploit available for CVE-2026-1149?

Yes, a public proof-of-concept exploit is available for CVE-2026-1149. Prioritise patching immediately. EPSS: 2.7%.

How to fix or mitigate CVE-2026-1149?

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

Lr350 Firmware CVE-2026-1149

Q: What is the CVSS score of CVE-2026-1149?

CVE-2026-1149 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

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2026-01-19 cna@vuldb.com

Command Injection Lr350 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 - 21:54 vuln.today

PoC Detected

Jan 29, 2026 - 18:37 vuln.today

Public exploit code

CVE Published

Jan 19, 2026 - 10:16 nvd

MEDIUM 6.3

DescriptionCVE.org

A vulnerability was identified in Totolink LR350 9.3.5u.6369_B20220309. This issue affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument ip leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used.

AnalysisAI

Command injection in Totolink LR350 firmware allows authenticated remote attackers to execute arbitrary commands through the ip parameter in the setDiagnosisCfg function. Public exploit code exists for this vulnerability, and no patch is currently available. Affected users should restrict access to the affected device until a fix is released.

Technical ContextAI

Affects Lr350 Firmware. A vulnerability was identified in Totolink LR350 9.3.5u.6369_B20220309. This issue affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument ip leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used.