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CVE-2018-5371

48
FAUCET Score

CVE-2018-5371 is a critical vulnerability affecting D-Link DSL-2640U (firmware IM_1.00, ME_1.00) and DSL-2540U (firmware ME_1.00) devices, allowing authenticated remote attackers to execute arbitrary OS commands. This is achieved by injecting shell metacharacters into the ipaddr field of an HTTP GET request to diag_ping.cmd. With a CVSS score of 8.8 (High), the vulnerability is easily exploitable over the network with low attack complexity and requires only low privileges, leading to high impacts on confidentiality, integrity, and availability. There is no public exploit code available (Metasploit, Nuclei, ExploitDB), nor is it listed in CISA's KEV catalog, and it has received no community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
me_1.00CPE matchmatch criteria
cpe:2.3:o:d-link:dsl-2540u_firmware:me_1.00:*:*:*:*:*:*:*
im_1.00CPE matchmatch criteria
cpe:2.3:o:d-link:dsl-2640u_firmware:im_1.00:*:*:*:*:*:*:*
me_1.00CPE matchmatch criteria
cpe:2.3:o:d-link:dsl-2640u_firmware:me_1.00:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
41.99%
Probability of exploitation in next 30 days
EPSS Percentile
98.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.4199 is in the 98th percentile among its peer group of 17,844 CVEs.

Social Chatter

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

iplantom.com / 2018/01/10/dsl2640U
ExploitTechnical DescriptionThird Party AdvisoryURL Repurposed