CVE-2021-26621

9.8 criticalEPSS 1.7%

Critical (9.8) in netu mex01 firmware. EPSS 1.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2022-03-25
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

netu:mex01_firmware

References

https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66579
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66579

Check your stack JSON