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-2022-4856

22
FAUCET Score

CVE-2022-4856 is a critical buffer overflow vulnerability affecting Modbus Tools Modbus Slave up to version 7.5.1, specifically within the mbslave.exe component's file handler. This vulnerability carries a high CVSS score of 7.8, indicating a significant risk due to its potential for remote exploitation and high impact on confidentiality, integrity, and availability. While public exploit code exists, there is currently no evidence of active exploitation, and it has garnered minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 7.5.1CPE matchmatch criteria
cpe:2.3:a:modbustools:modbus_slave:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.59%
Probability of exploitation in next 30 days
EPSS Percentile
44.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0059 is in the 43rd percentile among its peer group of 11,615 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / Durian1546/vul/blob/main/webray.com.cn/Modbus%20Slave/Modbus%20Slave%20(version%207.5.1%20and%20earlier)%20mbs%20file%20has%20a%20buffer%20overflow%20vulnerability.md
ExploitPatchThird Party Advisory
github.com / Durian1546/vul/blob/main/webray.com.cn/Modbus%20Slave/poc/poc.mbs
Third Party Advisory
vuldb.com
Third Party Advisory
vuldb.com
Third Party Advisory