What is CVE-2022-25080?

CVE-2022-25080 is a critical-severity vulnerability in Totolink A830r, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-02-24.

How severe is CVE-2022-25080?

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

RCE in Totolink A830r

CVE-2022-25080

TOTOLink A830R V5.9c.4729_B20191112 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: 0.032 (87.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000

Affected products

Totolink A830r
Totolink A830r Firmware — versions 5.9c.4729_b20191112

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

github.com/EPhaha/IOT_vuln/blob/main/TOTOLink/A830R/README.md (Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-25080?: CVE-2022-25080 is a critical-severity vulnerability in Totolink A830r, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-02-24.
How severe is CVE-2022-25080?: Critical severity. CVSS v3 base score is 9.8 out of 10.