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.

CVSS v4.0

8.9 HIGHCVSS: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:X/V:X/RE:X/U:X

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

2.28% chance of exploitation in the next 30 days, 82th percentile

Published

2026-02-19

Updated

2026-02-24

Proof-of-concept exploits (1)

• cha0yang1/SECCN/blob/main/UnauthorizedRCE.md#2-vulnerability-reproduction-proof-of-concept

References

• CVE Record
• NVD entry

Related

• CVE-2026-1162
• CVE-2026-2080
• CVE-2026-2118
• CVE-2026-2135
• CVE-2026-2182
• CVE-2026-2188