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CRITICAL

CVE-2026-2686

CVSS v3

9.8

CRITICAL

EPSS Score

3.4 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

A security vulnerability has been detected in SECCN Dingcheng G10 3.1.0.181203. This impacts the function qq of the file /cgi-bin/session_login.cgi. The manipulation of the argument User leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.

Technical details

Published
2026-02-18
Last Modified
2026-04-14

Frequently asked questions

What is CVE-2026-2686?

A security vulnerability has been detected in SECCN Dingcheng G10 3.1.0.181203. This impacts the function qq of the file /cgi-bin/session_login.cgi. The manipulation of the argument User leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.

Is CVE-2026-2686 actively exploited?

Active exploitation of CVE-2026-2686 has not been confirmed. Its EPSS score was 3.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-2686?

CVE-2026-2686 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2026-2686 affecting your environment?

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