Critical 9.8Published Feb 18, 2026

CVE-2026-2686SECCN Dingcheng G10 session_login.cgi qq os command injection

Updated under an hour ago (Oct 26, 2026, 6:40 AM ET)

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It affects SECCN Dingcheng G10. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for SECCN Dingcheng G10

Exploited in the last 30 days

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: 9.8 CRITICAL (v3.1, CNA)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
Weakness (CWE): CWE-78, CWE-77
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Feb 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

SECCN Dingcheng G10 seccn_dingcheng:g10 (from the name)	3.1.0.181203	CNA record

References

https://vuldb.com/?id.346488vdb-entry, technical-description
https://vuldb.com/?ctiid.346488signature, permissions-required
https://vuldb.com/?submit.754200third-party-advisory
https://github.com/cha0yang1/SECCN/blob/main/UnauthorizedRCE.mdrelated
https://github.com/cha0yang1/SECCN/blob/main/UnauthorizedRCE.md#2-vulnerability-reproduction-proof-of-conceptexploit

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.