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CVE-2014-4190

20
FAUCET Score

CVE-2014-4190 describes multiple heap-based buffer overflows in various Huawei Campus Series Switches, including S3700HI, S5700, S6700, S3300HI, S5300, S6300, S9300, S7700, S9700, S2350, and S2750, across several software versions. This vulnerability allows unauthenticated remote attackers to trigger a denial of service, specifically a device restart, by sending a specially crafted packet with a malformed length field. With a CVSS score of 7.8 (High), the attack requires no authentication and has low complexity, leading to a complete loss of availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
v200r001CPE matchmatch criteria
cpe:2.3:a:huawei:campus_series_switch_software:v200r001:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:h:huawei:campus_lsw_s9700:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:h:huawei:campus_s3300hi:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:h:huawei:campus_s3700hi:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:h:huawei:campus_s5300:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

AV:N/AC:L/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.50%
Probability of exploitation in next 30 days
EPSS Percentile
71.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0150 is in the 53rd percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Remediation records are not available for this CVE.

References

huawei.com / en/security/psirt/security-bulletins/security-advisories/hw-343218.htm
Vendor Advisory
securityfocus.com / bid/67907