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CVE-2017-12754

22
FAUCET Score

CVE-2017-12754 describes a stack buffer overflow vulnerability in the httpd service of Asuswrt-Merlin firmware and various ASUS router firmware versions. This flaw allows a remote attacker to execute arbitrary code by sending a specially crafted HTTP GET request containing an overly long delete_offline_client parameter. With a CVSS score of 8.8 (HIGH), this vulnerability has a low attack complexity and can lead to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no public exploit code available, it is not listed on the CISA KEV catalog, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 380.67CPE matchmatch criteria
cpe:2.3:o:asuswrt-merlin:asuswrt-merlin:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.71%
Probability of exploitation in next 30 days
EPSS Percentile
84.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0271 is in the 83rd percentile among its peer group of 17,844 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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

asuswrt.lostrealm.ca / changelog
Vendor Advisory
github.com / coincoin7/Wireless-Router-Vulnerability/blob/master/Asus_DeleteOfflineClientOverflow.txt
Third Party Advisory