CVE-2021-42892 — MEDIUM (4.3)

Vulnerability Description

In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can start telnet without authorization because the default username and password exists in the firmware.

CVSS Score

4.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

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

Related Weaknesses (CWE)

CWE-798

References

https://github.com/p1Kk/vuln/blob/main/totolink_ex1200t_telnet_default.mdExploitThird Party Advisory
https://github.com/p1Kk/vuln/blob/main/totolink_ex1200t_telnet_default.mdExploitThird Party Advisory

FAQ

What is CVE-2021-42892?

CVE-2021-42892 is a vulnerability with a CVSS score of 4.3 (MEDIUM). In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can start telnet without authorization because the default username and password exists in the firmware.

How severe is CVE-2021-42892?

CVE-2021-42892 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-42892?

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