Beijing Star-Net Ruijie Network Technology RG-EG1000C: attackers can run their own code
OFFICIAL NAME: Ruijie Gateway EG & NBR Models v11.1(6)B9P1 - 11.9(4)B12P1 RCE
WHAT IT IS · ROUTERS, CAMERAS AND DEVICESRouters, cameras and recorders are often forgotten and rarely updated.
DO THIS FIRSTUpdate it or replace it. Never leave its admin page open to the internet. Not sure if you use it? Send this page to your IT provider or security lead and ask.
TECHNICAL SUMMARY Various Ruijie Gateway EG and NBR models firmware versions 11.1(6)B9P1 < 11.9(4)B12P1 contain a code execution vulnerability in the EWEB management system that can be abused via front-end functionality.
WHY THIS VERDICT Attack attempts are confirmed, with no confirmed exploitation yet.
WHY IT RANKS HERE The first report is 20 days old. 12 products are affected.
- HIGHEST CONFIRMED RUNG
- TRIED
- CISA KEV
- NOT YET
- EXPLOIT CODE
- NONE KNOWN
How far has it climbed?
01 TALK
□ NO EVIDENCE YETNEWEST EVIDENCE NONE YETNo evidence yet.
SRC: NONE YET02 EXPOSED
□ NOT TRACKED YETNO SOURCE FOR THIS STEP YETWe have no source that counts exposed systems yet. Internet scan data needs a partnership we do not have. No evidence here does not mean nothing is exposed.
03 TRIED
■ CONFIRMEDNEWEST EVIDENCE · 1 SOURCEAttack attempts on CVE-2020-36870 seen by honeypots (Shadowserver via CIRCL).
04 EXPLOITED
□ NO EVIDENCE YETNEWEST EVIDENCE NONE YETNo evidence yet.
SRC: NONE YET05 DAMAGE
□ NOT TRACKED YETNO SOURCE FOR THIS STEP YETBreach notices and filings rarely name the flaw that was used, so we cannot link them to this event yet. No evidence here does not mean no harm.
When each thing happened
- DISCLOSED
- EXPLOIT CODE PUBLICNOT YET
- FIRST ATTACK REPORT
- CISA KEV LISTINGNOT YET
- US FEDERAL DEADLINENOT YET
Questions to ask this week
- Do we run Beijing Star-Net Ruijie Network Technology RG-EG1000C? If yes, is it patched or cut off from the internet?
- Who owns fixing it, and by what date?
- Have we checked for signs of attack since the first report, not just since the patch?
How it unfolded
- Attack activity. OCT 21, 2026Attack attempts on CVE-2020-36870 seen by honeypots (Shadowserver via CIRCL)