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CVE-2019-3404

23
FAUCET Score

CVE-2019-3404 describes an authentication bypass vulnerability in 360 P0 and F5C routers, allowing unauthenticated users to abuse background application CGI functions by manipulating URI fields. This high-severity vulnerability (CVSS 7.5) has a low attack complexity and could lead to high integrity impacts, though confidentiality and availability are not directly affected. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the potential for unauthorized access to router functions remains.

Impacted Technologies

VendorProductVersion(s)CPE
3.1.1.65150CPE matchmatch criteria
cpe:2.3:o:360:p0_router_firmware:3.1.1.65150:*:*:*:*:*:*:*
3.1.1.65150CPE matchmatch criteria
cpe:2.3:o:360:f5c_router_firmware:3.1.1.65150:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.91%
Probability of exploitation in next 30 days
EPSS Percentile
56.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0091 is in the 31st percentile among its peer group of 51,466 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

security.360.cn / News/news/id/218.html
Vendor Advisory