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CVE-2023-3206

29
FAUCET Score

CVE-2023-3206 is a denial-of-service vulnerability affecting the Chengdu VEC40G 3.0 router, specifically within the /send_order.cgi?parameter=restart function. By manipulating the 'restart' argument with the input 'reboot', an unauthenticated remote attacker can cause a denial of service. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with low attack complexity and no user interaction required, leading to a complete loss of availability. While public exploit details exist, there is no evidence of active exploitation, nor is there significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:o:feiyuxing:vec40g_firmware:3.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
18.71%
Probability of exploitation in next 30 days
EPSS Percentile
97.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.1871 is in the 95th percentile among its peer group of 51,553 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

Remediation records are not available for this CVE.

References

github.com / shulao2020/cve/blob/main/Flying%20Fish.md
ExploitThird Party Advisory
vuldb.com
Third Party Advisory
vuldb.com
Third Party Advisory