CVE-2019-3404

CVE-2019-3404 is a high-severity vulnerability in 360 P0 Router Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

By adding some special fields to the uri ofrouter app function, the user could abuse background app cgi functions withoutauthentication. This affects 360 router P0 and F5C.

Frequently asked questions

What is CVE-2019-3404?
By adding some special fields to the uri ofrouter app function, the user could abuse background app cgi functions withoutauthentication. This affects 360 router P0 and F5C.
How severe is CVE-2019-3404?
CVE-2019-3404 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-3404 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3404?
CVE-2019-3404 primarily affects 360 P0 Router Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-3404?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-3404 published?
CVE-2019-3404 was published on 2020-03-04 and last updated on 2026-06-17.

References

Affected products (2)