CVE-2026-120241
Received
Received - Intake
Buffer Overflow in Ruijie ESW Series Firmware
Vulnerability report for CVE-2026-120241, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-11-01
Last updated on: 2026-11-01
Assigner: VulDB
Description
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.
CVSS Scores
EPSS Scores
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| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| 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 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-120 | The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer. |
| CWE-119 | The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
