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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.

PUBLISHED Reserved 2026-02-18 | Published 2026-02-19 | Updated 2026-02-24 | Assigner VulDB




CRITICAL: 9.3CVSS: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
CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:R
CRITICAL: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:R
10.0AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:W/RC:UR

Problem types

OS Command Injection

Command Injection

Product status

3.1.0.181203
affected

Timeline

2026-02-18:Advisory disclosed
2026-02-18:VulDB entry created
2026-02-18:VulDB entry last update

Credits

Ruler-Chovy (VulDB User) reporter

References

vuldb.com/?id.346488 (VDB-346488 | SECCN Dingcheng G10 session_login.cgi qq os command injection) vdb-entry technical-description

vuldb.com/?ctiid.346488 (VDB-346488 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.754200 (Submit #754200 | SECCN SECCN G10 VPN V3.1.0.181203 Unauthorized RCE) third-party-advisory

github.com/cha0yang1/SECCN/blob/main/UnauthorizedRCE.md related

github.com/cha0yang1/SECCN/blob/main/UnauthorizedRCE.md exploit

cve.org (CVE-2026-2686)

nvd.nist.gov (CVE-2026-2686)

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