CVE-2026-120241
High
Description
A vulnerability was identified in Ruijie RG-ES205GC, RG-ES206GC-P, RG-ES208GC, RG-ES210GC-LP and RG-ES210GS-P ESW_1.0(1)B1P48. Impacted is an unknown function of the file httpupg.cgi of the component Local Firmware Upgrade Interface. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
SeverityHigh
CVSS7.5
Exploit probability—
ProductRuijie Rg-es205gc
PublishedNov 1, 2026
First seenNov 4, 2026
Weakness typeCWE-120CWE-120CWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ruijie rg-es205gc | ESW_1.0(1)B1P48 | — |
| ruijie rg-es206gc-p | ESW_1.0(1)B1P48 | — |
| ruijie rg-es208gc | ESW_1.0(1)B1P48 | — |
| ruijie rg-es210gc-lp | ESW_1.0(1)B1P48 | — |
| ruijie rg-es210gs-p | ESW_1.0(1)B1P48 | — |
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