What is CVE-2023-33486?

CVE-2023-33486 is a critical-severity vulnerability in Totolink X5000r, classified under Command Injection. CVSS score: 9.8/10. Published 2023-05-31.

How severe is CVE-2023-33486?

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

Is CVE-2023-33486 known to be exploited?

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

RCE in Totolink X5000r

CVE-2023-33486

TOTOLINK X5000R V9.1.0u.6118_B20201102 and V9.1.0u.6369_B20230113 contain a command insertion vulnerability in setOpModeCfg. This vulnerability allows an attacker to execute arbitrary commands through the "hostName" parameter.

Vulnerability class: Command Injection (OS Command Injection)

Published 2023-05-31 · 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: 0.014 (72.6th percentile), scored 2026-10-30.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Totolink X5000r
Totolink X5000r Firmware — versions 9.1.0u.6118_b20201102, 9.1.0u.6369_b20230113

Weakness classification (CWE)

CWE-77 — Command Injection

Public proof-of-concept exploits

References

github.com/Kazamayc/vuln/tree/main/TOTOLINK/X5000R/3 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-33486?: CVE-2023-33486 is a critical-severity vulnerability in Totolink X5000r, classified under Command Injection. CVSS score: 9.8/10. Published 2023-05-31.
How severe is CVE-2023-33486?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-33486 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.