What is CVE-2022-25084?

CVE-2022-25084 is a critical-severity vulnerability in Totolink T6, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-02-24.

How severe is CVE-2022-25084?

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

Is CVE-2022-25084 known to be exploited?

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

RCE in Totolink T6

CVE-2022-25084

TOTOLink T6 V5.9c.4085_B20190428 was discovered to contain a command injection vulnerability in the "Main" function. This vulnerability allows attackers to execute arbitrary commands via the QUERY_STRING parameter.

Vulnerability class: Command Injection (OS Command Injection)

Published 2022-02-24 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.248 (97.8th percentile), scored 2026-09-30.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.248 · newest: 0.248 · change: 0.000

Affected products

Totolink T6
Totolink T6 Firmware — versions 5.9c.4085_b20190428

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

References

github.com/EPhaha/IOT_vuln/blob/main/TOTOLink/T6/README.md (Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-25084?: CVE-2022-25084 is a critical-severity vulnerability in Totolink T6, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-02-24.
How severe is CVE-2022-25084?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-25084 known to be exploited?: 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.