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CVE-2018-17020

25
FAUCET Score

CVE-2018-17020 describes a denial-of-service vulnerability affecting ASUS GT-AC5300 routers with firmware up to version 3.0.0.4.384_32738. An unauthenticated remote attacker can trigger this DoS by sending a single malformed HTTP GET request to the device. Rated High severity with a CVSS score of 7.5, this vulnerability is easily exploitable over the network with low attack complexity and no user interaction required, leading to a complete loss of availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.0.0.4.384_32738CPE matchmatch criteria
cpe:2.3:o:asus:gt-ac5300_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
2.08%
Probability of exploitation in next 30 days
EPSS Percentile
79.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0208 is in the 64th percentile among its peer group of 51,551 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

github.com / PAGalaxyLab/VulInfo/blob/master/ASUS/ASUS%20GT-AC5300%20DOS1.MD
ExploitThird Party Advisory