CVE-2021-4242: Sapido BR270n/BRC76n/GR297/RB1732 syscmd.htm os command injection
First published: Wed Nov 30 2022(Updated: )
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.
Credit: cna@vuldb.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Sapido Br270n Firmware | =2.1.03 | |
| Sapido BR270n | ||
| Sapido Brc76n Firmware | =2.1.03 | |
| Sapido Brc76n | ||
| Sapido Gr297n Firmware | =2.1.3 | |
| Sapido GR297n | ||
| Sapido Rb-1732 Firmware | =2.0.43 | |
| Sapido Rb-1732 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Sapido router vulnerability?
The vulnerability ID for this Sapido router vulnerability is CVE-2021-4242.
What is the severity of CVE-2021-4242?
CVE-2021-4242 has a severity score of 8.8, which is classified as high.
Which functionality is affected by CVE-2021-4242?
CVE-2021-4242 affects the functionality of the file ip/syscmd.htm.
Can the attack be launched remotely?
Yes, the attack can be launched remotely.
How can I fix CVE-2021-4242?
There is currently no known fix for CVE-2021-4242. It is recommended to follow the vendor's advisory and apply any updates or patches when available.
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- vendor/sapido
- canonical/sapido br270n firmware
- version/sapido br270n firmware/2.1.03
- canonical/sapido br270n
- canonical/sapido brc76n firmware
- version/sapido brc76n firmware/2.1.03
- canonical/sapido brc76n
- canonical/sapido gr297n firmware
- version/sapido gr297n firmware/2.1.3
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- canonical/sapido rb-1732