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Fencer Intel
medium 6.5

CVE-2025-56311 json

In Shenzhen C-Data Technology Co.

published last yr. modified 4d ago also EUVD-2025-30929

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits
0
none known

Summary

In Shenzhen C-Data Technology Co. FD602GW-DX-R410 (firmware v2.2.14), the web management interface contains an authenticated CSRF vulnerability on the reboot endpoint (/boaform/admin/formReboot). An attacker can craft a malicious webpage that, when visited by an authenticated administrator, causes the router to reboot without explicit user consent. This lack of CSRF protection on a sensitive administrative function can lead to denial of service by disrupting network availability.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.