What is CVE-2022-38511?

CVE-2022-38511 is a high-severity vulnerability in Totolink A810r, classified under OS Command Injection. CVSS score: 7.8/10. Published 2022-08-29.

How severe is CVE-2022-38511?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2022-38511 known to be exploited?

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

RCE in Totolink A810r

CVE-2022-38511

TOTOLINK A810R V5.9c.4050_B20190424 was discovered to contain a command injection vulnerability via the component downloadFile.cgi.

Vulnerability class: Command Injection (OS Command Injection)

Published 2022-08-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (68.7th percentile), scored 2026-10-28.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.012 · change: -0.001

Affected products

Totolink A810r
Totolink A810r Firmware — versions 5.9c.4050_b20190424

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

whiter6666/CVE

References

github.com/whiter6666/CVE/blob/main/TOTOLINK_A810R/downloadFile.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-38511?: CVE-2022-38511 is a high-severity vulnerability in Totolink A810r, classified under OS Command Injection. CVSS score: 7.8/10. Published 2022-08-29.
How severe is CVE-2022-38511?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-38511 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.