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CVE-2018-11509

49
FAUCET Score

CVE-2018-11509 describes a critical vulnerability in ASUSTOR ADM 3.1.0.RFQ3 where applications installed from the online repository use the same default root:admin credentials as the NAS itself. This allows unauthenticated attackers to easily log in and upload webshells, leading to complete compromise of the system. With a CVSS score of 9.8 (Critical) and an attack vector of Network, this vulnerability is easily exploitable with low complexity and no user interaction. While not listed in CISA KEV, public exploit code exists on ExploitDB, and it has garnered significant community discussion, indicating a high potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
3.1.0CPE matchmatch criteria
cpe:2.3:a:asustor:asustor_data_master:3.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
12.57%
Probability of exploitation in next 30 days
EPSS Percentile
95.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-45200 · Aug 15, 2018
This CVE's current EPSS score of 0.1257 is in the 92nd percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/148919/ASUSTOR-NAS-ADM-3.1.0-Remote-Command-Execution-SQL-Injection.html
ExploitThird Party AdvisoryVDB Entry
exploit-db.com / exploits/45200
ExploitThird Party AdvisoryVDB Entry