Netis Korea MEX01 Buffer overflow vulnerability

published 2022-03-25 4y ago modified 2026-06-17 4mo ago also EUVD-2021-13415

cvss: 8.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.7%; EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits: 0; none known

An Buffer Overflow vulnerability leading to remote code execution was discovered in MEX01. Remote attackers can use this vulnerability by using the property that the target program copies parameter values to memory through the strcpy() function.

Patch / fix

fixed in 1

netu mex01_firmware 1.9.18

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Exploit prediction

1.74% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

NetU Corp. MEX01

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input

References

krcert.or.kr /krcert/secNoticeView.do?bulletin_writing_sequence=66579
third-party-advisory

Sources

CVE List CVE-2021-26621
NVD CVE-2021-26621

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