What is CVE-2022-28580?

CVE-2022-28580 is a critical-severity vulnerability in Totolink A7100ru, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-05-05.

How severe is CVE-2022-28580?

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

Is CVE-2022-28580 known to be exploited?

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

RCE in Totolink A7100ru

CVE-2022-28580

It is found that there is a command injection vulnerability in the setL2tpServerCfg interface in TOTOlink A7100RU (v7.4cu.2313_b20191024) router, which allows an attacker to execute arbitrary commands through a carefully constructed payload.

Vulnerability class: Command Injection (OS Command Injection)

Published 2022-05-05 · 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: 0.030 (86.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: -0.000

Affected products

Totolink A7100ru
Totolink A7100ru Firmware — versions 7.4cu.2313_b20191024

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

github.com/EPhaha/IOT_vuln/tree/main/TOTOLink/A7100RU/5 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-28580?: CVE-2022-28580 is a critical-severity vulnerability in Totolink A7100ru, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-05-05.
How severe is CVE-2022-28580?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-28580 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.