CVE-2026-2686

CRITICAL 9.8

SECCN Dingcheng G10 session_login.cgi qq os command injection

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78 CWE-77
Vendor	seccn dingcheng
Product	g10
Published	Feb 19, 2026
Last Updated	Feb 24, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

SECCN Dingcheng / G10

3.1.0.181203

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 Ruler-Chovy (VulDB User)