VulnerabilityModified
CVE-2021-4242
A vulnerability was found in Sapido BR270n, BRC76n, GR297 and RB1732 and classified as critical.
HIGH 8.8EPSS 3.11%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.11% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-707, CWE-78
- Affected
- sapido/br270n firmware · sapido/brc76n firmware · sapido/gr297n firmware · sapido/rb-1732 firmware
- Source
- cna@vuldb.com
References
- https://blog.csdn.net/qq_44159028/article/details/114590267Exploit, Third Party Advisory
- https://github.com/smallpiggy/Sapido--rce/blob/main/Sapido%E8%B7%AF%E7%94%B1%E5%99%A8-rce.pyExploit, Third Party Advisory
- https://vuldb.com/?id.214592Third Party Advisory
- https://blog.csdn.net/qq_44159028/article/details/114590267Exploit, Third Party Advisory
- https://github.com/smallpiggy/Sapido--rce/blob/main/Sapido%E8%B7%AF%E7%94%B1%E5%99%A8-rce.pyExploit, Third Party Advisory
- https://vuldb.com/?id.214592Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.