Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2018-7830

25
FAUCET Score

CVE-2018-7830 describes an HTTP Response Splitting vulnerability (CWE-113) in the embedded web servers of Modicon M340, Premium, Quantum PLCs, and BMXNOR0200 devices. An unauthenticated attacker can trigger a denial of service for approximately one minute by sending a specially crafted HTTP request. This vulnerability has a CVSS v3 score of 7.5 (HIGH), indicating a network-exploitable, low-complexity attack with high impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:schneider-electric:modicom_m340_firmware:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:schneider-electric:modicom_premium_firmware:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:schneider-electric:modicom_quantum_firmware:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:schneider-electric:modicom_bmxnor0200h_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.42%
Probability of exploitation in next 30 days
EPSS Percentile
82.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0242 is in the 69th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

Vendor Patches (3)

dogukanurkervendor investigatingvia llm_extracted
posthogvendor investigatingvia llm_extracted
qlikvendor investigatingvia llm_extracted

Vendor Advisories (3)

dogukanurkerllm-dogukanurker-92e072ae22f3c89cCRITICAL

[R1] Multiple Schneider Electric Modicon Quantum Vulnerabilities

Nov 26, 2018
qlikllm-qlik-a4dee9547df83d7aCRITICAL

[R1] Multiple Schneider Electric Modicon Quantum Vulnerabilities

Nov 26, 2018
posthogllm-posthog-6af3eed3a46929e8CRITICAL

[R1] Multiple Schneider Electric Modicon Quantum Vulnerabilities

Nov 26, 2018

References

schneider-electric.com / en/download/document/SEVD-2018-327-01
Vendor Advisory
tenable.com / security/research/tra-2018-38
ExploitThird Party Advisory