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Vulnerability record · CVE-2026-2686 · published 19 February 2026

CVE-2026-2686: Command injection vulnerability

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.

8.9 CVSS 4.0 High EPSS 3.4% · top 11.7% CWE-77 · Command injectionCWE-78 · OS command injection Deferred
8.9CVSS 4.0 base score, v2 10.0
3.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
17 Jun 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/cha0yang1/SECCN/blob/main/UnauthorizedRCE.md
https://github.com/cha0yang1/SECCN/blob/main/UnauthorizedRCE.md#2-vulnerability-reproduction-proof-of-concept
https://vuldb.com/?ctiid.346488
https://vuldb.com/?id.346488
https://vuldb.com/?submit.754200

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Source: NIST National Vulnerability Database (record CVE-2026-2686), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.