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CVE-2026-7218

Totolink N300RT libapmib.so formWsc is_cmd_string_valid buffer overflow

Published: Apr 28, 2026Updated: Apr 28, 2026 Sources: CVE List NVDCWE-119
NVD MITRE
7.2CVSSHIGH
EPSS Score
0.5%
Top 63.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

A vulnerability was detected in Totolink N300RT 3.4.0-B20250430. The impacted element is the function is_cmd_string_valid of the file /boafrm/formWsc of the component libapmib.so. Performing a manipulation of the argument localPin results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-119CWE-120

Affected Products

N300RTTotolinkNetworking Infrastructure
totolinkcommercialTWNetworking Infrastructureaka totolink corp.

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/xiaohaiyang-ai/TOTOLINK-N300RT-Buffer-Overflow
github.com
https://vuldb.com/submit/802127
vuldb.com
https://vuldb.com/vuln/359818
vuldb.com
and 2 more references View all →

Timeline

Published
Apr 28, 2026
Last Updated
Apr 28, 2026

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