CVE-2021-42890 — CRITICAL (9.8)

Vulnerability Description

TOTOLINK EX1200T V4.1.2cu.5215 contains a remote command injection vulnerability in function NTPSyncWithHost of the file system.so which can control hostTime to attack.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Totolink	Ex1200T Firmware	4.1.2cu.5215
Totolink	Ex1200T	-

Related Weaknesses (CWE)

CWE-78

References

https://github.com/p1Kk/vuln/blob/main/totolink_ex1200t_hosttime_rce.mdExploitThird Party Advisory
https://github.com/p1Kk/vuln/blob/main/totolink_ex1200t_hosttime_rce.mdExploitThird Party Advisory

FAQ

What is CVE-2021-42890?

CVE-2021-42890 is a vulnerability with a CVSS score of 9.8 (CRITICAL). TOTOLINK EX1200T V4.1.2cu.5215 contains a remote command injection vulnerability in function NTPSyncWithHost of the file system.so which can control hostTime to attack.

How severe is CVE-2021-42890?

CVE-2021-42890 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-42890?

Check the references section above for vendor advisories and patch information. Affected products include: Totolink Ex1200T Firmware, Totolink Ex1200T.