10

CVE-2018-20334: asus asuswrt OS Command Injection

CVSS: 10.0v2.0HighModified
Published 20-03-2020Last modified 05-08-2024

Vulnerability summary

CVE-2018-20334 is a high (CVSS 10.0) OS Command Injection vulnerability in asus asuswrt. EPSS estimates a 3.77% chance of exploitation in the next 30 days, higher than 89.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
90/100
0100
Critical · default modelHow is this calculated?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
3.77%
0%100%
Low · -0.15 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 20-03-2020
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in ASUSWRT 3.0.0.4.384.20308. When processing the /start_apply.htm POST data, there is a command injection issue via shell metacharacters in the fb_email parameter. By using this issue, an attacker can control the router and get shell.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

3.77%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

-0.15 pp

From 3.93% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.77%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (starlabs.sg)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Asus1 product

1 vendor · 1 product

References

1 links