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.
CVSS score
10.0/10
010
High · v2.0 (NVD)EPSS score
3.77%
0%100%
Low · -0.15 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 20-03-2020PublishedVulnerability first disclosed.
- 05-08-2024Last 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 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 10.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
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 score3.77%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (starlabs.sg)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Asus1 product
- asuswrt3.0.0.4.384.20308
1 vendor · 1 product