CVE-2026-2686CRITICAL 9.8EPSS p80.8%

CVE-2026-2686CVE-2026-2686

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS2.28% probability of exploitation · percentile 80.8% · 2026-06-19T12:03:05Z
Published2026-02-19
Last modified2026-04-15

Underlying weaknesses· 2

CWE-77CWE-78

References

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

2

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements used in a Command ('Command Injection')cwe-770%live
WeaknessImproper Neutralization of Special Elements used in an OS Command ('OS Command Injection')cwe-780%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2026-9386
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CVE-2026-6116
CVE
CVE-2026-6156
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CVE-2026-9384
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CVE-2026-8230
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CVE-2026-6026
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.