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CVE-2018-20335

25
FAUCET Score

CVE-2018-20335 describes a denial-of-service (DoS) vulnerability affecting ASUSWRT firmware version 3.0.0.4.384.20308. An unauthenticated attacker can trigger a DoS of the httpd service by sending a crafted request to the /APP_Installation.asp?= URI. This vulnerability has a CVSS score of 7.5 (High), indicating that it is easily exploitable over the network with no user interaction, leading to a complete loss of availability for the affected service. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.0.0.4.384.20308CPE matchmatch criteria
cpe:2.3:o:asus:asuswrt:3.0.0.4.384.20308:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.41%
Probability of exploitation in next 30 days
EPSS Percentile
69.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0141 is in the 51st percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

starlabs.sg / advisories/18-20335
ExploitThird Party Advisory