High severity7.2NVD Advisory· Published Apr 28, 2026· Updated Apr 28, 2026

CVE-2026-7218

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Xiaohaiyang AI/Totolink N300rt Buffer Overflowreferences
Totolink/N300RHllm-fuzzy
Range: = 3.4.0-B20250430

Patches

Vulnerability mechanics

References

News mentions

No linked articles in our index yet.

Severity

HighCVSS v3.1

7.2/ 10

CVSS v47.3

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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

Attack vector: Network
Complexity: Low
Privileges: High
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Vector

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

Affected

Source repo: github.com/xiaohaiyang-ai/TOTOLINK-N300RT-Buffer-Overflow

EPSS

Probability of exploitation in the next 30 days.

0.46%

VYPR risk score

Composite of severity, exploitation, and reach.

0.47medium

cvss	0.468
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVE ID

CVE-2026-7218

Credits

X(
xyhackr (VulDB User)
reporter