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CVE-2018-18879

26
FAUCET Score

CVE-2018-18879 describes a critical vulnerability in Columbia Weather MicroServer firmware version MS_2.6.9900, allowing authenticated web users to execute arbitrary operating system commands. This is due to a lack of input sanitization in the networkdiags.php script, enabling command injection. With a CVSS score of 8.8 (High), the vulnerability is easily exploitable over the network with low privileges and no user interaction, leading to high impact on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
ms_2.6.9900CPE matchmatch criteria
cpe:2.3:o:columbiaweather:weather_microserver_firmware:ms_2.6.9900:*:*:*:*:*:*:*

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
2.05%
Probability of exploitation in next 30 days
EPSS Percentile
79.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0205 is in the 78th 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

applied-risk.com / labs/advisories
Third Party Advisory
ics-cert.us-cert.gov / advisories/ICSA-19-078-02
Third Party AdvisoryUS Government Resource