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CVE-2018-6831

26
FAUCET Score

CVE-2018-6831 is a command injection vulnerability in various Foscam IP camera models, including C1, C1 Lite, FI9800P, and R2 series, across numerous firmware versions. The flaw allows remote authenticated users to execute arbitrary commands by injecting a semicolon (;) into the ntpServer argument of the setSystemTime function. This vulnerability carries a CVSSv3 score of 7.2 (High), indicating a high-impact threat that could lead to complete compromise of the affected device. While a patch was released, this issue was an incomplete fix for a previous vulnerability (CVE-2017-2849). There is no public exploit code available (Metasploit, Nuclei, ExploitDB), and it is not listed in CISA's KEV catalog, suggesting it is not currently under active widespread exploitation. However, there has been some community discussion and media coverage, indicating awareness of the vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.82.2.33CPE matchmatch criteria
cpe:2.3:o:foscam:c1_lite_firmware:*:*:*:*:*:*:*:*
<= 2.82.2.33CPE matchmatch criteria
cpe:2.3:o:foscam:c1_firmware:*:*:*:*:*:*:*:*
<= 2.81.2.33CPE matchmatch criteria
cpe:2.3:o:foscam:fi9800p_firmware:*:*:*:*:*:*:*:*
<= 2.81.2.33CPE matchmatch criteria
cpe:2.3:o:foscam:fi9821ep_firmware:*:*:*:*:*:*:*:*
<= 2.81.2.33CPE matchmatch criteria
cpe:2.3:o:foscam:fi9821p_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.46%
Probability of exploitation in next 30 days
EPSS Percentile
90.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0447 is in the 89th percentile among its peer group of 5,530 CVEs.

Social Chatter

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

Media Mentions

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

blog.vdoo.com / 2018/06/06/vdoo-has-found-major-vulnerabilities-in-foscam-cameras
ExploitThird Party Advisory
foscam.com / company/securing-your-foscam-camera-important-notice.html
Vendor Advisory