What is CVE-2022-25134?

CVE-2022-25134 is a critical-severity vulnerability in Totolink T6, classified under Command Injection. CVSS score: 9.8/10. Published 2022-02-19.

How severe is CVE-2022-25134?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-25134 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Totolink T6

CVE-2022-25134

A command injection vulnerability in the function setUpgradeFW of TOTOLINK Technology router T6 V3_Firmware T6_V3_V4.1.5cu.748_B20211015 allows attackers to execute arbitrary commands via a crafted MQTT packet.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.030 (85.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Totolink T6
Totolink T6_firmware — versions v4.1.5cu.748_b20211015
N/a — versions n/a

Weakness classification (CWE)

CWE-77 — Command Injection

Public proof-of-concept exploits

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Broken Link)
nvd@nist.gov (Third Party Advisory, VDB Entry)

Frequently asked questions

What is CVE-2022-25134?: CVE-2022-25134 is a critical-severity vulnerability in Totolink T6, classified under Command Injection. CVSS score: 9.8/10. Published 2022-02-19.
How severe is CVE-2022-25134?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-25134 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.