CVE-2021-4242
MEDIUMSapido BR270n BRC76n GR297 RB1732 - OS Command Injection via ip/syscmd.htm
Title source: llmDescription
A vulnerability was found in Sapido BR270n, BRC76n, GR297 and RB1732 and classified as critical. Affected by this issue is some unknown functionality of the file ip/syscmd.htm. The manipulation leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-214592.
References (3)
Core 3
Core References
Exploit, Third Party Advisory
https://blog.csdn.net/qq_44159028/article/details/114590267
Exploit, Third Party Advisory
https://github.com/smallpiggy/Sapido--rce/blob/main/Sapido%E8%B7%AF%E7%94%B1%E5%99%A8-rce.py
Third Party Advisory
https://vuldb.com/?id.214592
Scores
CVSS v3
6.3
EPSS
0.0302
EPSS Percentile
85.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-78
CWE-707
Status
published
Products (4)
sapido/br270n_firmware
2.1.03
sapido/brc76n_firmware
2.1.03
sapido/gr297n_firmware
2.1.3
sapido/rb-1732_firmware
2.0.43
Published
Nov 30, 2022
Tracked Since
Feb 18, 2026